Unformatted text preview: United States? The answer is that one cannot study entire populations. Large populations are simply too big. The researcher, therefore, needs to look at a small subset of the population. We call this subset a sample . The trick is to make sure that your sample closely parallels the characteristics of the larger population. Random Sample Henslin (1999:126) contends that a random sample is one in which everyone in a population has the same chance of being included in a study . A random sample is necessary if one is going to attempt to generalize the findings in a study to the larger population. Variables A hypothesis poses a relationship between two or more aspects of social relationships. These aspects are called variables. A variable is a measurable trait or characteristic that is subject to change under different conditions . Income, gender,...
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 Fall '10
 Bernhardt
 Sociology, Statistics, researcher, new drug

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