PSYC 201W Chapter 7: Research methods - Chapter 7 summary.pdf
8 Apr 2014
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Refers to all the cases/observations of interest to us. In survey research, questionnaires are usually administered to a sample of people to learn something about a broader population. A list, of names, phone numbers, addresses or other units, from which a sample will be selected. Accurately reflects the important characteristics of the population. Represents the percentage of cases who participate in a survey out of all those who were selected to participate. Describe and compare different populations/different groups within a population. Used to explore relations among variables, and to test hypotheses and theories. A tendency to respond in a way that a person feels is socially appropriate, rather than as she/he truly feels. Uses questionnaires and interviews to gather information about people. Two general methods for selecting a survey sample: Each member of the population has a chance of being selected into the sample, and the probability of being selected can be determined.
