Statistics – Elements of a Test Hypothesis

Elements of a Test of Hypothesis 1. Null Hypothesis (H0 ) A statement about the values of macrocosm parameters which we require until proven false. 2. Alternative or Research Hypothesis (Ha )- A statement that contradicts the vigour hypothesis. It represents researchers claim about the population parameters. This will be accepted only when data provides su? cient evidence to demo its truth. 3. Test Statistic A standard statistic (often a formula) that is used to decide whether to discard H0 . 4. rid ofion Region- It consists of all values of the running game statistic for which H0 is rejected.This rejection region is selected in such a way that the probability of rejecting true H0 is equal to ? (a small do usually 0. 05). The value of ? is referred to as the level of signi? cance of the exam. 5. Assumptions advancements about the population(s) being tryd. 6. Calculation of the test statistic and conclusion- Reject H0 if the metric value of the test statistic falls in the rejection region. Otherwise, do not reject H0 . 7. P-value or signi? cance probability is de? ned as proportion of samples that would be unfavourable to H0 (assuming H0 is true) if the observed sample is considered unfavourable to H0 .If the p-value is smaller than ? , then reject H0 . mark 1. If you ? x ? = 0. 05 for your test, then you are allowed to reject true null hypothesis 5% of the time in repeated application of your test rule. 2. If the p-value of a test is 0. 20 (say) and you reject H0 then, under your test rule, at least 20% of the time you would reject true null hypothesis. 1. Large sample (n 30) test for H0 = 0 (known). Z= x ? 0 ? ? v n Example. A study reported in the journal of Occupational and Organizational Psychology investigated the relationship of employment status to mental health.Each of a sample of 49 unemployed men was given a mental health examination using the General health Questionnaire ( cosmopolitan headquarters). The GHQ is widely recognized stripe of present mental health , with lower values indicating ruin mental health. The mean and quantity deviation of the GHQ gibes were x = 10. 94 and s = 5. 10, ? respectively. (a). sequester the appropriate null and alternative hypothesis if we wish to test the research hypothesis that the mean GHQ score for all unemployed men exceeds 10. Is the test one-tailed or two-tailed? (b). If we specify ? = 0. 05, what is the appropriate rejection region for this test? c). Conduct the test, and state your conclusion clearly in the language of this exercise. Find the p-value of the test. (Ans. H0 = 10 Ha 10 One-tailed test Rejection region Z 1. 645 Test score Z = 1. 29 Do not reject H0 , GHQ score does not exceeds 10 p-value = 0. 0985) Example. A consumer protection group is concerned that a ketchup manufacturer is ? lling its 20-ounce family- size of it containers with less than 20 ounces of ketchup. The group purchases 49 family-size bottles of this ketchup, weigh the content s of each, and ? nds that the mean weight is 19. 6 ounces, and the standard deviation is equal to 0. 22 ounces. (a). Do the data provide su? cient evidence for the consumer group to shut down that the mean ? ll per family-size bottle is les than 20 ounces? Test using ? = 0. 05. (b). Find the p-value of the your test in part (a). (Ans. H0 = 20 Ha 20 Rejection Region is Z ? 1. 645 (one-tailed test) test score Z = ? 4. 45 Reject H0 at ? = 0. 05, su? cient evidence to say that the mean ? ll per family-size bottle is less than 20 ounces p-value = 0) Example. State University uses thousands of ? uorescent light bulbs each year.The defect of bulb it currently uses has a mean life of 900 hours. A manufacturer claims that its innovative brands of bulbs, which cost the aforesaid(prenominal) as the brand the university currently uses, has a mean life of more than 900 hours. The university has decided to purchase the new brand if, when tested, the test evidence supports the manufacturer s claim at the . 10 signi? cance level. Suppose 99 bulbs were tested with the following results x = 919 hours, s = 86 hours. Find the rejection region for the test of interest to the State University. ? (Ans. Rejection Region Z 1. 28) 1 . Small sample (n ? 30) test for H0 = 0 (known). t= This test requires that the sampled population is normal. x ? 0 ? s v n Example. A ergodic sample of n observations is selected from a normal population to test the null hypothesis that = 10. Specify the rejection region for each of the following combinations of Ha , ? , and n. (a). Ha = 10, ? = 0. 01, n = 14. (Ans. t ? 3. 012, or t 3. 012) (b). Ha 10, ? = 0. 025, n = 26. (Ans. t ? 2. 06) Example. According to advertisements, a strain of soybeans planted on soil prepared with a speci? d fertilizer treatment has a mean yield of 475 bushels per acre. Twenty farmers who belong to a cooperative plant the soybeans. Each uses a 40-acre secret plan and records the mean yield per acre. The mean and variance for the sample of 20 farms are x = 462 and s2 = 9070. ? Specify the null and alternative hypothesis used to coiffe if the mean yield for the soybeans is di? erent than advertised. (Ans. H0 = 475 Ha = 475) Example. A psychologist was interested in knowing whether male heroin addicts assessments of self-worth di? er from those of the general male population.On a test designed to measure assessment of self-worth, the mean score for males from the general population was found to be equal to 48. 6. A hit-or-miss sample of 25 scores achieved by heroin addicts yielded a mean of 44. 1 and a standard deviation of 6. 2. Do the data indicate a di? erence in assessment of self-worth between male heroin addicts and general male population? Test using ? = 0. 01. (Ans. H0 = 48. 6 Ha = 48. 6 Test score t = ? 3. 63 Rejection Region t 2. 797, or t ? 2. 797 (two-tailed test) Observed t-score falls in the rejection region. Reject H0 at ? = 0. 1. Data indicate a di? erence in assessment of self-worth between male heroin addicts and general male population) 3. Large sample test for H0 p = p0 (known). Z= p ? p0 ? p0 (1? p0 ) n For this test, sample size is considered large if p0 3 p0 (1? p0 ) n falls between 0 and 1. Example. The National Science Foundation, in a survey of 2,237 engineering graduate students who earned their Ph. D. degrees, found that 607 were U. S. citizens the majority (1,630) of the Ph. D degrees were awarded to foreign nationals. Conduct a test to determine whether the true percentage of engineering Ph.D. degrees awarded to foreign nationals exceeds 50%. Use ? = 0. 01. (Ans. H0 p = 0. 5 Ha p 0. 5 Test score Z = 21. 63 Rejection region Z 2. 33 (one tailed test) Reject H0 at ? = 0. 01. True percentage p exceeds 50%. p-value = 0) Example. The business college computing revolve about wants to determine the proportion of business students who retain personal computers (PCs) at home. If the proportion exceeds 30 percent, then the re search lab will scale back a proposed blowup of its facilities. Suppose 250 business students were randomly sampled and 85 have personal computers at home.Conduct a test to see if the scale back of the proposed enlargement of its facilities is needed. Use ? = 0. 05. (Ans. H0 p = . 3 Ha p 0. 3 Large sample z-test for proportion test score Z = 1. 38 Rejection region Z 1. 645 Do not reject H0 at ? = 0. 05. Scale back of the proposed enlargement of its facilities is not needed) 2 Example. A method currently used by doctors to screen women for possible white meat cancer fails to learn cancer in 15% of the women who actually have the disease. A new method has been developed that researchers hope will be able to detect cancer more accurately.A random sample of 70 women known to have breast cancer were screened using the new method. Of these, the new method failed to detect cancer in six. Specify the null and alternative hypothesis that the researchers wish to test. Calculate the te st statistic, determine the rejection region if ? = 0. 05, ? nd the p-value, and state the conclusion clearly in the language of this exercise. (Ans. H0 p = 0. 15 Ha p 0. 15 Test score Z = ? 1. 51 Rejection Region Z ? 1. 645 Do not reject H0 Insu? cient evidence to conclude that the new method is more accurate than the one currently used. -value= p(Z ? 1. 51) = 0. 5 ? 0. 4345 = 0. 0655) Example. The Midwest Organization of Retired Oncologists and Neurologists (M. O. R. O. N. ) has recently taken ? ack from some of its members regarding the poor choice of the organizations name. The experience bylaws require that more than 60% of the organization must approve a name change. Rather than meet a meeting, it is ? rst coveted to use a sample to determine if a meeting is necessary. A random sample of 60 of M. O. R. O. N. s members were asked if they want M. O. R. O. N. to change its name. Forty-? ve of the respondents said yes. Find the p-value for the desired test of hypothesis. (Ans. p-value= p(Z 2. 37) = 0. 0089) Example. Increasing numbers of businesses are o? ering child-care bene? ts for their workers. However, one union claims that more than 80% of ? rms in the manufacturing sector still do not o? er any child-care bene? ts to their workers. A random sample of 480 manufacturing ? rms is selected, and only 27 of them o? er child-care bene? ts. Specify the rejection region that the union will use when examen at alpha = . 05. (Ans. Ha p 0. 8 Rejection region Z 1. 645) 3

Fashion Icon & Fashion Leader Essay

Abstract noneone could suck a accurate and oecumenical commentary of the dickens endpoints work look-alike & modal value leader in the past ecstasy while these two vernal devises appear frequently in the formulate sphere today. However, it seems that these draw their own significance and concept in two antithetical cultural perspectives. The propose of this query is to arrange the question what does the invent movie & fashion leader mean respectively in U.K. and china and what causes the remnant understanding of it, which whitethorn influence the development of the fashion world in the future. Literature enquiry, individualal interviews and net profit surveys ar the methods that I used to explore this study which could get in-depth, comprehensive, professional and the bran-newest breeding.In addition, what I frame out from this study research is to the different culture leading to the digression structure of the society. And having a different form of the society, the rules of the life, the things the public pursue, the place pack is looking forward to,the lifestyle the mass being allow to enjoy is not the same. This is a monstrous topic to discuss, but we can start from the small point. allows go back to the fashion world to talk near the different concept of the two destinations, fashion icon & fashion leader.introductionA big wave of new word see been appeargond these years to describe the new things invented with the development of the modern fashion world e.g. chic, buyer, disco, stylistThe term fashion icon is thrown around too much these days. It is obvious that fashion icon is the scarcely about popular term which will be mentioned in todays fashion world. However, the meaning of the new term is different in eastern and western culture. What cause the phenomenon and what difference meaning included with the convertible word fashion leaderis the key point of the research to explore. The definition of fashion is qui te complexed which is the rank or life style in a period. It is proposed by round small sort of people. And and then the public respected and followed.The range of fashion is very wide, including making-up, clothing, dressing, behavior, sense of identifying, feeling and even thoughts. Not both one can follow a correct direction of popularity for fashion. Fashion could be in a limited scope instead of in a very large scale. Majority have a difficulty about fashion which leads them to follow some pioneers . At this time these person and organization shows their sizeableness to the mass. Having an essence of fashion reflects their own tastes which makes fashion icons &fashion leaders become some popular these days. To compend the complexities of the adaption curve into ac forecast from two different culture is an essential problem.PROBLEM STATEMENT/ Research oppugn What is fashion icon in UK? What is fashion leader in UK? What is the relationship mingled with fashion icon and fa shion leader? What is fashion icon in China? What is fashion leader in China? What is the relationship between fashion icon and fashion leader? It is obvious that it have different definition of fashion icon & fashion leader in UK and China. What factors influenced it? Will it cause the development of the fashion world in the future? What another(prenominal) aspects could be related with the difference? Research Objectives and Aims1. Aim To investigate the factors that leads to the difference description of the two new terms in fashion.2. Objective The training will be extracted from some well- noticen fashion insiders opinions which have been reported to the public. Questionnaire will be distributed to various types of people, then to collect and count the result of the responses. To analysis the consequence of all the information of both British fashion area and Chinese fashion area, distinguish the main factor of it.Literature ReviewInternational aim is fast sightly one of the most popular entry mode strategies for international retail companies when moving into international markets (Burt, 1993 Quinn and Doherty, 2000 Quinn and Alexander, 2002). though initially slow to respond to this practical phenomenon occurring in the international retailing domain, the academic community has similarly been gradually turning its worry to the nature of international franchising,in the context of retailer internationalisation (Whitehead, 1991 Sparks, 1995 Quinn, 1998 Doherty and Quinn, 1999 Quinn and Doherty, 2000 Quinn and Alexander, 2002). This review will give a brief conception of the fashion icon & fashion leader in UK and China separately. Followed by analyzing the factors effect on the phenomenon, to have a further discussion on if it will cause the development of the fashion world in the future and the other relative areas.In 1980, Chinese professor MINYI HU, who is a professor of the DONGHUA University which university is famous for its fashion and art college in Shanghai, suggested the opinion that a fashion icon is a famous person who dresses in trendy and stylish fashions that catches the attention of people throughout the world. (MINYI HU, 1989) The innate character of fashion is changeable and various. In act of making fashion choices, a person is animating (making alive, acting, performing) her or his body bu imposing on it a social veneer that permits it to perform in specific desired ways and to be interpreted in the intended manner by others. (Jennifer Craik, 2009) Which room that if a person want to show her or his individual taste about fashion, she or he can show it through dressing trusted style of clothes to present. In addition, HU gave her definition to the term fashion leader. A fashion leader refers to an individual or corporation that is taken as a trend setter in the fashion industry.Usually, such(prenominal) an organization or products by such individuals attract luxuriously revenues and admiration from other industry players. (MINYI HU, 1989) concord to HUs theory, fashion icon seems to be person who is well-known by the public for his/her wearing, even he/she can be seen to be a idol following the fans who want to copy his/her style while fashion leader is a more professional position in the fashion field to analysis the fashion trends will be on. I think that the part thats holding people back now is that they basically only go to the shows. Theres very few of these street blogs that go back to their city, wherever that is, and shoot. People clean get very obsessed with getting a picture of those known names, as opposed to actually speaking from the heart and shooting from the heart. (Scott Schuman, 2012)However, the famous fashion photographers Scott Schuman considers that the person who can leads to fashion is not sightly on the run-way and the front stages. The true stylist may live in our life instead of estimable fitting in the fashion shows. Contrasted with the defi nitiongiven by Chinese fashion researchers, the understanding of the new term fashion icon have a different explaining by British investigators. The famous pretense Twiggy is be definition of the 1960s fashion icon. The report set Twiggy as an tyrannical icon is consistent with many popular press analyses that render the Twiggy phenomenon as a culturally important manifestation of the ideology of thinness.(Craig& Diana, 1997) From then on ,the word fashion Icon has appeared. According to the newest list of the top 100 fashion icon in the world which supported by quantify (2012), fashion icon contains many varieties of fields, such as designers & brands (Giorgio Armani, Hubert de retrovertnchy, Vivienne Westwood), models(Twiggy, Kate Moss, Naomi Campbell), muses(Madonna, David Bowie, Princess Diana), photographers(Richard Avedon, Guy Bourdin, Steven Meisel), editors & stylists(Isabella Blow, Grace Coddington, Patricia Field), style & design.A big amount of them come from UK, which illustrates that fashion icon is not just a conception of a certain person who has a good and unique taste of dressing anymore. Fashion leaders can be defined as those who are more interested in fashion than other consumers in the market, who are more confident of their own taste, who are the scratch line to purchase new styles and, above all, who influence other consumers to adopt and buy new fashion items.(Greenberg et al., 1982 Kaiser, 1990 Polegato and Wall, 1980 Schrank and Guilmore, 1973)Although it fashion leader has been followed in a quite high stage. However, it original aims for the media spread the image of fashion leader is various. For instance, during the 1960s and 1970s, marketers were interested in increasing their association about fashion leaders in order to develop marketing strategies that could attract these consumers. The underlying self-reliance was that if fashion leaders bought the product, other consumers would probably follow (Kaiser, 1990). Each styl e affects its carriers business leader to deal effectively with the alternate kind of group process requirements. A distinction is drawn between culture conflict and related notions of deprivation and culture difference. (Rosalie, 2009) What Rosalie said seems to explain the reason why people will have a different understanding of the two words about fashion.METHODOLGY AND FEASIBILITY methodologyFor this research, I used qualitative and quantitive design by doing literature survey, delivering questionnaire online for the internet surveys and interviewing some friends and the some dwell for the personal interviews. These are all the methods that I have used to exposes this problem, which could get in-depth, comprehensive, professional and the newest information.in a qualitative way. The essay is intend to develop the difference between two new terms about fashion. A qualitative design may not be able to solve all the questions, instead a method mixed with qualitative and quantitive is appropriate for getting an achievement of this research. To examine the data from all kinds of aspects may contribute to obtaining more reliable information. It was also focused on attitudes collecting from research participants and through the research design, a full-ways understanding about the two words themselves can help the researcher more slowly to gain the data and make a results of factors may influence different regions of understanding the same terms. Whats more, a limited time is a other difficulty for these research, but it also a argufy .Method & FeasibilityAdministering questionnaires, personal interviews and internet surveys were the ways for this study. The reasons why using mixed method presented have 3 points. Point 1, it was suitable for researchers objectives and could collect a big amount of information from different kind of volunteers in a high efficiency way. Point 2, interviews is a quite duration and fast method way to get information. And can get t he feeling of the interviewee face to face. Some are afraid of interview because of feeling under pressure in a one-to-one setting. As a result, point 3 , the internet surveys is better way to involved the embarrassing situation. And combination of all deuce-ace methods, I consider it is the most appropriate ways to different kinds of people. The sample size was 50 in questionnaire. 17 of them chose to fill in the questionnaire6 of them chose have a personal interview, and the others prefer have an internet surveys for the research.all the questionnaires were delivered to the volunteers on 12th December andcompleted on the 19th in the same month.And it is be leftover enough time for the volunteer to finish the questionnaire with a no pressure environment. Personal interview is a private situation. Paying attention with protecting the personal information when doing a interview is the key to this methods. Give the enough trust to the interviewees. The result will too good to expect . Internet survey is the same questionnaire with the first method. Privacy protection was still the most difficulty that many voluntee wasnt willling to fill the real information to de questionnaire. Most of them have a high self protection, which may lead to the information got is not so accurate.To solve this issue, any information was anonymously collected, but protecting privacy remained in a sequestered box. In other words, it was necessary for the researcher to explain the meat carefully or interpret content appropriately when research participants asked questions about the questionnaire. Furthermore, it was appropriate to provide a written introduction to the topic for participants about the questionnaire, which may have helped them understand easily and be willing to fill questionnaires out. Finally, avoiding harm is also important, which representation that researchers should not ask any sensitive questions or personal questions which might cause harm to research partici pants.A survey illustrate the main factors about the peoples knowledge about the fashion icon and fashion leaders. 35% people said they know nothing about what fashion icon is ,15% people have a highly awareness about fashion icon but have no idea about fashion leaders, 27% people think even they know just one or two fashion icon , they wont pay more attention on it, the rest percentage of the person have an interest in fashion and want to know more information about it.Most person show great interest in fashion is female and no matter the Asian girls or the European girls. But the fashion icon these two different regions girls focus on is different. A result can be get is that people unceasingly accept the fashion icon in their own culture more easily.LIST OF referencesCraig, J. T.& Diana L. H. 1997. Journal of Consumer Research. intercommunicate of Fashion Consumers Uses of Fashion Discourses and the Appropriation of Countervailing Cultural Meanings.Vol. 24, No. 1 (June 1997), p p. 15-42Greenberg, B.A., Lumpkin, J. R. and Bruner, G.C. 1982. Opinion leadership and innovativeness in fashion diffusion, American Institute of Decision Sciences Proceedings, pp. 240-42.Jennifer, C. 2009. Fashion . Rhe key concepts , pp. 02 03.Kaiser, S.B. 1990. The social psychology of apparel 2nd ed. Macmillan, late York, NY.Kerry, P. 2012. Harpers BAZAAR. Interview The Sartorialist New Book Closer. http//www.harpersbazaar.com/fashion/fashion-articles/scott-schuman-sartorialist-interviewslide-1Minyi, H. 1989. Modern Fashion in The persist Decade. New coming words , Vol.6 pp. 88 89. pp. 90-91Rosalie, A. C. 1969. American Anthropologist. Conceptual Styles, Culture Conflict, and Nonverbal Tests of Intelligence, Vol. 71 No. 5, pp. 828 856.TIME. 2012. List, ALL-TIME 100 Fashion Icons.http//www.time.com/time/specials/packages/completelist/0,29569,2110513,00.html

A Reflective Writing

Student conduct is one of the approximately beautiful experiences ever. Many things not learned in the home, in the workplace and within the vicinity atomic number 18 all enjoyed and encountered in school.One thing is worth mentioning, I could not have appreciated the beauty and exquisiteness of life as a student without the tedious requirements, blunders in the course of the performance of all those required of us and achievements at the end of the mean solar day. Here ar some worth-mentioning experiences and are worth-sharing.Practicum IV was very challenging. I had it with College Champigne. Expectations I had with the school and with the students were luxuriously. I had to prepare as much as I could to meet the standards. The students were in their high school, advanced grade 2 level.At the beginning of my belief experience, I made sure to encourage the commit of plain English as a mode of communication, either with me or with their classmates. I introduced L2 standard of teaching thinking that all students having reached such level are capable of performing in that level.To my despair, I observe that immediately utilizing L2 standard poses difficulty in the students. Evaluation conducted yielded low result in the students performance. With this observation, I had to align my manner of teaching.Some performed low, so I had to get back to L1 to be able to cope with the needs and the efficiency of the students. In responding to this problem, I also talked with the students personally. I had to know their individual difficulties so I may be able to apply the best method suitable for all of them, without disregarding some students behind. This, for me, is the essence of a teacher as a critic and interpreter of knowledgeNevertheless, constant communication is English had been the policy. Consistency and clamorous use of the lecture, I believe, etched in the minds of the students the value of learning English and the use of it in day to day life. I m ade sure to be a model in the use of the language myself otherwise, the student would not have the encouragement to use the same.I designed strategies suitable to all 38 students. commencement thing to note is that as a teacher, I should have a positive mind in all the undertakings. In some activities, I make sure that both oral and written practices are applied. In the grammar portion, I asked the students to read a poove tale, for example. The news report is read orally, the students also had some gathering work wherein they are able to share their opinions and thoughts on the story.After the oral activity is the written one. In the intervention on verb tenses for instance, the students are asked to fill out the blanks of the appropriate verb tense. They also had home works to work on. With the attend of fairy tales also, the students are able to make plot diagrams to assist them in their group discussion. Students who chose the same fairy tale are grouped together.Moreover, the students are asked to make body biography of the characters of the story assigned. This enables them to relate the story to the class the next day. This also enables them relive the story during the course of the discussion. Each group is to make a body biography and relate the same to the class. They also had jigsaw reading and the readers theater. The last mentioned made use of a video where they had to make the editing themselves.All these involve the participation of everyone, enhancing the confidence of the students as they work with their peers.

Effects of Alcohol and Nicotine Use

The effect of Alcohol and Nicotine Use Tobacco and inebriant affair are common addictions amongst Ameri stinkpots. Each of these products are tardily accessible at any convenience store and are perceived to be pleasurable activities as a result of their prevalence in American society. Both drugs also have significantly uncomely effects on an individuals wellness and overall well-being. However, tobacco plant plant and alcohol consumption are quite polar in the nature of the addiction, and the risks each drug pose to atomic number 53s wellness. Tobacco has been present even onward the nerve of America.In 1492, Christopher Columbus was offe fierce dried tobacco leaves from the Native Americans he encountered. By 1600, tobacco was used for its assumed better qualities and was often used as currency. Not until 1826 was the pure form of nicotine finally discovered and labeled a dangerous poison. During the 1980s, many lawsuits were filed against tobacco companies because of the harmful effects of their products. Smoking became politically incorrect and more businesses began to reverse smoking on their premises. despite this, cigarette consumption in America is still common. Today, Marlboro is considered one of the most rich brands of any product in the world, valued at over 30 billion dollars. (NCSU Libraries) Although the supposed health benefits of tobacco have been promoted by both a variety of cultures and corporations alike, the bodily effects of nicotine on the ashes are now indisputable. In as little as ten minutes after consumption, nicotine can raise blood pressure, heart rate, and constrict blood vessels,thus increasing the chance of heart attack and stroke.Habitual use has been linked to cancer of the lung, throat, mouth, esophagus, bladder, cervix, kidney, larynx, and stomach. ( touch for Disease Control and Prevention) Even casual use is accompanied by increase coughing, congestion, fatigue, and shortness of breath. Aside from the havo c wrought internally from the frequent use of tobacco, it also causes negative changes to ones somatogenic appearance. These changes include, but are not limited to, tooth decay, gingivial recession, halitosis, stained fingers, and an unpleasant odor on ones person. University Health decoct at the University of Georgia) harmonise to the American Heart Association, in as little as one cigarette, a user whitethorn be addicted to nicotine. Nicotine addiction is recognized by the uncontrollable cravings to consume tobacco products. An addict may feel anxious about the next time they are able to use, and may be very irritable until their craving has been satisfied. As a user decreases their use of tobacco, they begin to withdrawal. Indications of withdrawal are different for each individual.A person will generally be cantankerous, and may suffer physical ailments, such as headaches, nausea, and cold like symptoms. Increased appetite, impaired control performance, and depression are surplus symptoms linked to nicotine withdrawal. (National Library of Medicine) Alcohol has been a prevalent substance in human culture since 6400 B. C. According to Dr. William L. Smith, excavated clay jugs dating back to neolithic periods suggest the intentional fermentation of alcohol. Alcohol most apt(predicate) originated in Middle Eastern regions, and was used primarily for its healing, antiseptic and religious purposes, often as a gift to the divine.Alcohol has always been a part of American culture, as it was first brought over by position settlers. One of the first laws regarding alcohol was passed in early seventeenth century Virginia. The law prohibited frequent drunkenness, as it was a threat to society. Though, the first alcohol related laws did not prohibit the substance itself. In 1920, National Prohibition took effect, consequently the 18th Amendment of the United States Constitution. However, in 1933, the 21st Amendment repealed the prohibition, legalizing the c reation, sale, and consumption of alcohol. WWW2 Webserver) Laws in regards to alcohol had to be placed into effect in order to ensure the safety of Americas people. Whether or not the alcohol use is routine, the array of symptoms that may be exhibited have the opportunity to be devastating to the user and to the public.In one night of drinking, the intoxicated individual has already put themselves at risk for alcohol poisoning, miscarriage, violence, and death. One of the to the lowest degree tolerated criminal offenses of today is driving while intoxicated (DWI), or driving under the influence (DUI), which is be by a blood alcohol content level over . 8%. A a couple of(prenominal) sips of an alcoholic beverage can debilitate the driver, causing them to careen in and out of lanes, run red lights, and other dangerous driving practices. Alcohol is also a common factor in regards to hazardous sexual behaviors. The impaired force to make responsible decisions increases the chance o f accidental pregnancies and sexually transmitted ailments. sour alcohol use over the lifetime causes annihilating physical and psychiatric damage to the remains. The user becomes at risk for a variety of health issues, including cirrhosis, dementia, liver disease, and stroke.Long term use also puts the individual at risk for mouth, throat, esophagus, liver, and colon cancer. While the internal damage is taking place, the individual is slowly using their ability to function in society. The daily drunken stupor or hangover prohibits the person from excelling in the work place and in the classroom. Stomach pain, headache, and irritability are common symptoms that hinder the usefulness of the individual. If these characteristics persist, job hurt and expulsion will occur. Aside from the regression of skills and potential successes, an alcoholic will induce detriment upon their family and friends. Center for Disease Control and Prevention) Alcoholism is, according to the University of Maryland Medical center, a chronic, often progressive disease in which a person craves alcohol and drinks despite repeated alcohol related problems, like losing a job or a relationship. The disease is often accompanied by a significantly game tolerance to alcohol, drinking in order to feel good again. An addict may sneak or hide drinks, plan activities most drinking, or drink to escape lifes hassles. Family and friends of the victim may notice record changes, mood swings, and broken promises.The addict may feel troubled by how much they are consuming, and may be quick to defend themselves with confrontations regarding their drinking habits. When an alcoholic is unable to drink as much as need be, they suffer from physical withdrawal symptoms that inhibit them from feeling well. Nausea, sweating, shakiness, and anxiety, are all common signs of alcohol withdrawal. Insomnia, hand tremors, and fatigue are additional symptoms that may be experienced. (University of Maryland Medica l Center) Alcohol and tobacco products are commonly used in not only American society, but in cultures around the globe.They have each continued to be advertised as enjoyable experiences, thus their social acceptability. Despite their prevalence and media allure, scientific evidence is irrefutable. Single and habitual use of nicotine and alcohol both affect the corpse in significantly negative ways. These substances are both linked to a variety of cancers, amongst other health issues. The forgo of these drugs results in mild to severe emotional discomfort. Typical behaviors include depression, irritability and apprehension. In addition, gross cues such as sweating and shakiness are common in withdrawal.Based upon scientific study, alcohol and tobacco use are practices not to be taken lightly. Their toxic effects on the human body are disregarded in American culture, however, it is imperative that every user understands each substance in its entirety. A nicotine addiction is quite different from an alcohol dependency, as nicotine seems to be primarily a physically unhealthy habit, and alcohol becomes a lifestyle. Nonetheless, each addiction is completely detrimental to ones health, and all risks should be considered before taking that first sip or smoke.

Baidu Enters African Mobile Browser Essay

Executive compendiumBaidu Inc. lead benefit from partnering with France Telecoms orange to enter in Africas meandering(a) searching securities industry which has blown-up potential opportunities and revenues.Africa, the Next Major diligent MarketAfrica with the second macroscopical population in the realism and appear buying power from new middle air division requires telecommunication to be popularized. The sudden step-up and high density of expeditious connection in Africa across countries gene rove large demand of smartphones and erratic webs or other unsettled returns. The fast speed of growth say and potential opportunities in this food market attract large prompt operators and search engines, and then Africa will become the major mobile market and exchange the orbicular economic landscape. Baidu should enter this market earlier to assume its international businessBenefits and Limits of Partnering with orangish ExclusivelyBenefitsEnjoys orangishs mass cu stomer baseOrange has health growth rateOrange has invested 3G networking in order to expand its market share Orange has much than 800 million customers and spreads its achievement across 20 countries. Risk The max agreement limits Baidus expand from cooperating with othersEvaluation condescension the limits of the exclusive contract, the benefits of partnering with Orange are great. Baidu, which has less international business experiences, is good to start cooperating with large mobile operators homogeneous Orange to step into the large mobile competition in Africa, which has large potential market, opportunities, and revenues.IntroductionBaidu Inc. signs its startle global agreement with Orange, on an exclusive basis. The Baidu-Orange browser will provide more affordable and richer seek experience for customers across Africa by enhancing datacompression capabilities up to 90% of compression. The browser is one-click access to web-search want apps.Ab step forward BaiduBaid u is the largest searching engine in China, taking more than 70% of the market share. It beat Google out(a) of the Chinese market in 2010 because it was familiar with Chinese web culture in which allows free downloads and develops ecumenic searching However, Baidu lose its ability to be business internationalized, since Baidu satisfied its large market share in the region at the same time it also lose its good timing to establish and develop its mobile searching while the popularizing and development in smartphones has changed the rules of the game from web networking to telecommunication networking. The need of Baidu expanding its global market and mobile web services is important and urgent. Baidu now is targeting in African as an emerging mobile market in the partnership with Orange, a Frances telecomAfrica, the Next Major Mobile MarketAccording to the observation from GSMA, African mobile market has dramatically grown and reaches the highest growth rate worldwide due to the g everyplacenments have liberalized the telecommunication, and competitions surrounded by private telecoms have increased service affordability.Africa has large mobile connection penetration and has speedily gown From 2000 to 2011, mobile penetration has quickly increased in Africa, from upright 2% in 2000 to 63% in 2011, representing a compound annual growth rate of over 46%. It is expected to reach 85% mobile connection penetration in 2015 (GSMA, Africa Mobile observation post Report, September. 2011) (See Figure 1)Figure 1 Mobile connections and penetration in Africa since 2000. Data sources Wireless Intelligence.The number of cennections in North Africa has grown by 41% while sub-Saharan Africa has the highest growth rate with 44% worldwidely, compared to an mean(a) of 34% for developing countries and 10% for developedcountries.(DeloitteGSMA, Sub-Saharan Africa Mobile lookout Report, November 13, 2012). (See Figure 2)Figure 2 Growth in the number of mobile connections world wide, 200-2012. Data source wireless intelligenceThe rapid growth of mobile communication in Africa generates high demand of mobile telephony and mobile service and increases revenues According to Wireless Intelligence and International Monetary Fund (IMF), mobile operators reported over $35 billion revenues in 2011, growing by an average of 18% each year from $8.2 billion in 20000 in Africa. According to GSMA Africa Observatory 2011 Report, over the past 5 years, the number of subscribers across Africa had grown by almost 20% per year and was set to reach more than 735 million by the end of 2012. The mobile ecosystem in Africa currently generated approximately $56 billion or 3.5% of total GDP, with mobile operators alone add $49 billion.Africa is transforming the global economic landscapes.African economies are among the fastest-growing in the world while emerging economies in Asia have been slowed down due to their increasing capital and labor costs and markets saturated. Econom ists predicted that Africa would be poised to transform the global economic landscapes (John J. Wild Wild, International Business the challenge of globalization, January 16, 2013). Annual GDP growth averaged 5.7% between 2000 and 2010 in Sub-Saharan Africa. (IBM, Is mobile Africas future?, 2011) Expected annual growth averaged 7% over the next 20 years. (IBM, Is mobile Africas future?, 2011) 14% of the worlds population, the second large population in the world, provides large consumption base. (IBM, Is mobile Africas future?, 2011) New middle class has been emerging in AfricaThe purchasing powers from large population and middle class must stimulate the gross sales of mobile products and co-related mobile services.Africas mobile market is a good start for firms like Baidu, which want opportunities to expand its international business and mobile effect withless experiences. Demands from large consumptions requests and purchasing from new class created substantial profits.Benefits and Limits of Partnering with Orange ExclusivelyThe Chinese Web services elephantine Baidu will bring its mobile browser to Africa in signing an exclusive contract with France Telecoms Orange network, the third-biggest mobile operator in Africa.Benefits of partnering with OrangeOrange, which has a mobile customer base of more than 80 million subscribers and covers 20 countries in Africa, has continued to see its smartphone user base in Arica and Middle atomic number 99 increasing, for example the demand for Android devices in Egypt has doubled in the second half of 2012 by Marc Rennard, elderberry bush executive vice president for Orange. (DeloitteGSMA, Sub-Saharan Africa Mobile Observatory Report, November 13, 2012) Orange has recently been deploying 3G networks in countries where it has trading operations and makes more low-cost smartphones available customers have been steadily moving from basic feature phone towards more low-cost Android smartphones. (DeloitteGSMA, Sub-Saha ran Africa Mobile Observatory Report, November 13, 2012)The mass user base, the wide geographical operations and the increased growth of smartphone users from Orange help Baidu expand its mobile services and data collecting in the new emerging market. This not only makes Baidu get a slice of Africas lucrative mobile and data market but also helps Baidu gain experience of transforming itself to be business internationalized and searching cited beneath the pressure of globalization and development in smartphones.Limits of Partnering with OrangeEmeka Obiodu, Principal Analyst for Telecom Strategy, Ovum Research, pointed out that there is a limitation for Baidu by dealing with Orange exclusively. Baidus deal with Orange may limit the firms maneuverability in the market. If Baidu sticks to Orange exclusively, it will depend on Oranges expansion of its geographical footprint.Obiodu later added his concern for Baidu thatOver time, this lack of maneuverability will influence, and possib ly undermine, Baidus ability to exploit emerging opportunities in the market.While Baidu is tie-up with Orange, its largest competitor Google has already entered in the Africas mobile browsing market. Google not only has a deal with South Africas giant telecom operator Telkoms cellphone network unit 8ta but also rolls out a new services in Sub-Saharan Africa though operator Zambia Telecommunication Company, a government-owned telecom. (IDG Reporter, Africa is the newest telecoms battleground, January 27, 2013)The spread of Baidu browser is limited because it is depended on Oranges geographical footprints due to exclusive agreement, compared with Google, which has multiple partnerships with large government-owned and private-owned operators. Despite the limitation, the benefits from cooperating with Orange for Baidu are greater. Baidu as an inexperienced international investor could decrease its risk to fail the first gate into an emerging market with the helps from sharing Oranges wide geographical footprints and mass customer base. (TitaniumMedia, Baidus Radical Internationalization, 2013)Evaluation of Baidus Entry into Africas Mobile Bowering Market though Exclusive fusion with France Telecoms Orange.Africas mobile marketMobile market in Africa is potential and paid (DeloitteGSMA, Sub-Saharan Africa Mobile Observatory Report, November13, 2012) 85% mobile connection penetration in 2015 (forecast)44% mobile connection growth (the highest growth rate worldwide) $49 billion revenues (mobile operator alone)The fast and wide spreading of mobile connection and communication in Africa makes the demand for smartphones and mobile web be on the jump on remarkably, creating potential mobile market and providing healthy grown profits for Baidu, which is seeking opportunity to internationalize andmobilize its operation.Partnership with France Telecoms OrangeDespite the limitation of just cooperating with one company, Orange is tranquilize a good partner which alread y has mass customer base and keeps growing users doubly though its investment in 3G networking. Baidu, a Chinese searching engine which has less international business experiences, takes good of cooperating with Orange in order to lower the risk of first entry into a unknown market by sharing Oranges mass customer base and wide geographical operation . Entry into Africa and cooperation with Orange are a good start for Baidu turning itself internationalized and mobilized.ReferencesWild, J. J., & Wild, K. L. (2013). International business the challenges of globalization(Seventh ed.). Pearson College Div.Sub-Saharan Africa Mobile Observatory 2012. Sub-Saharan Africa Mobile ObservatoryReport. Retrieved May 4, 2014, fromwww.gsma.com//SSA_FullReport_v6.1_clean.pdfArican Mobile Observatory 2011 hotheaded Economic and Social Development doneMobile Services. African Mobile Observatory Report. Retrieved , fromwww.gsma.com//2011//Africa-Mobile-ObservatoryAfica is the newest telecoms battle ground. (2013, January 27). . Retrieved May 2, 2014,from http//www.cnmeonline.com/ outline/africa-is-the-newest-telecoms-battleground/Is mobile Africas future?. (2011, January 1). . Retrieved May 15, 2014, fromhttp//www.ibm.com/smarterplanet/global/share/19jan2012/mobile_africa/Baidus Radical Internationalization. (2013, show 31). . Retrieved May 11, 2014, fromhttp//tech.163.com/13/0331/09/8R9JOH9O000915BF.htmlAppendix AImportant notice about GSMA and DeloittFrequent uses of data, facts, and statistics are from Sub-Saharan Africa Mobile Observatory 2012, a report is prepared by Drloitte for GSM Association with contract.The Sub-Saharan Africa Mobile Observatory 2012 is provided exclusively for the GSMAs use under the terms of contract. No party other than GSMA could be entitle on the report for any purpose whatever Deloitte accepts or not.Appendix BFigure 1 and 2Figure 1 is from GSMAs Africa Mobile Observatory 2011 Driveng Economic and Social Development through Mobile Services.Fig ure 2 from GSMAs Sub-Saharan Africa Mobile Observatory 2012.Both figures of the charts are compile data from Wireless Intelligence

Media ethics Research Paper Example | Topics and Well Written Essays - 2500 words

Media moral philosophy - Research Paper precedentThe media is important in information dissemination in the society. However, this would never be realized if several(prenominal) ethics are not observed. in that location are several areas where ethics is observed in the media sector. I am a journalist by profession hence I make believe a vast experience with regards to the ethical and legal implications in this career. As journalists, we act as the eye and the mind of the public. It is through our sour that the public get to know the happenings in the nation and the world as a whole. We are the place models of several people, more so the teenagers, who tend to dress, act and behave the musical mode we do. I must deem that journalism is one of the complex careers because everyone is watching, any slightest mistake or misconduct will go into record. This may make one lose his/her job or even arrested depending on the seriousness and nature of the misconduct. There are set of ethics and law that is meant to guide us while we interact with the public. The difference among law and ethics is that ethics is the good characters accepted by both man and God, precisely their intrusion has no legal consequences, while law is a set of regulations whose violation has some legal implications handle an arrest or charges. ... This is mainly common in the political arena where a certain political leader may use his/her power to influence the news read to the public. Certain journalists may besides decide to manipulate news content on the basis of personal interest. There is no ad hoc law describing specific legal consequences to such act, but one may lose the public elevate and lose his/her job. External stakeholders equal advertising companies may cut their links with such media company. Social researchers show up that major civil and international wars have been sparked by the manipulation of the actual facts. The public will have no time to evaluate the ne ws but take it the way it is being read. Manipulating the news is like lying to the public which not only unethical but demoralizing. For instance, think of a situation a certain media house have used to announce hunger in a certain secernate of the country so that other citizens to rescue the situation, only to later realize that the hunger was faked so that some regional leaders could make personal gains. This would kill the trust between the public and the media company. The truth is other ethical issue in the journalism. The main aim of the media sector is keeping the public on the honorable side. A certain government may hide some issues from the public out of personal greed, but is the role of the media to reveal truth to the nation and the world as a whole. Media without truth is considered dead because it serves its purpose. The watercourse constitutions of several democratic nations regard media as an independent entity and freedom of expression. This enables the media to report any situation the way it is. Language is another important ethical matter in the media sector. Ant media

The role of the IMF in helping poor and debt-troubled countries Assignment

The office of the IMF in helping poor and debt-troubled countries - Assignment ExampleThis role was cemented by the fall of the Soviet Union, where sovereign countries who were under the Soviet umbrella looked up to the IMF to reconstruct their batter economies. In 1999, the IMF remodeled its role from providing financial assistance to countries with low levels of income to reducing the rates of poverty and growing their economies (Bird 2).The IMF has ceremonious itself as a rest period of payment ecesis. Many developing countries experience a persistent period account balance of payment deficit. It is important to note that not all countries with this problem turn to the institution for help. When a county cannot access external financing or private capital market, they turn to the IMF to settle the balance of payment deficit. Low reserve holdings have to a fault been explained as the reason behind the use of IMF resources by low income countries. Poor countries have accounted for the largest proportion of the institutions assistance between 1991 and 2002. They have to boot been described as having prolonged use of IMF resources (Bird 8). The institutions role of lending to poor countries also helps to unlock external financing or rather serving as a catalyst for new(prenominal) institutions to lend to the countries concerned. By lending to a expanse, the IMF sends a signal indicating that the country has sound economic policies, investor assurance and a conducive environment for investment.With reference to the IMF, the conditions imposed are policies which should be met before a country can receive any funds. These conditions aim to guarantee that the member country will eventually be able to settle its balance of payment problems and at the same time repay the loan. The fund has ii types of conditions with regard to lending to developing countries. It imposes quantitative and structural conditions. Quantitative conditions include macroeconomic goa ls which must be