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Trắc nghiệm Tri thức

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Câu trắc nghiệm: Part 3. Questions 76 – 85 (2.0 points - 0.2/ each) Read the passage below and choose the best answer to each question A survey is a study, generally in the form of an interview or a questionnaire, that provides information concerning how people think and act. In the United States, the best-known surveys are the Gallup poll and the Harris poll. As anyone who watches the news during presidential campaigns knows, these polls have become an important part of political life in the United States. North Americans are familiar with the many "person on the street" interviews on local television news shows. While such interviews can be highly entertaining, they are not necessarily an accurate indication of public opinion. First, they reflect the opinions of only those people who appear at a certain location. Thus, such samples can be biased in favor of commuters, middle-class shoppers, or factory workers, depending or which area the newspeople select. Second, television interviews tend to attract outgoing people who are willing to appear on the air, while they frighten away others who may feel intimidated by a camera. A survey must be based on a precise, representative sampling if it is to genuinely reflect a broad range of the population. In preparing to conduct a survey, sociologists must exercise great care in the wording of questions. An effective survey question must be simple and clear enough for people to understand it. It must also be specific enough so that there are no problems in interpreting the results. Even questions that are less structured must be carefully phrased in order to elicit the type of information desired. Surveys can be indispensable sources of information, but only if the sampling is done properly and the questions are worded accurately. There are two main forms of surveys: the interview and the questionnaire. Each of these forms of survey research has its ...

Các đáp án đưa ra:

A. The history of surveys in North America

B. The principles of conducting surveys

C. Problems associated with interpreting surveys

D. The importance of polls in American political life

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11-2024 10-2024 Yêu thích

Nguyễn Vũ Nam

Hoàng Trịnh Minh

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Đặng Mỹ Duyên

_ღĐức Phátღ_

Thưởng th.9.2024

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