people know that they are being studied and therefore change their behavior.
D. Gathering Data
1. Sociologists can use primary data (original material) or secondary data (data
already gathered by others) and must evaluate the strengths and weaknesses of
E. Analyzing the Data
1. Analysis of data may be statistical (numerical analysis) or qualitative (in-depth).
2. Computers have greatly facilitated the process of analyzing data, and data are
F. Reaching Conclusions and Reporting Results
1. The final stage of research is developing conclusions, relating findings to
sociological theory and existing research, reporting these findings, and possibly
them to a broader population.
III. The Tools of Sociological Research
A. The Survey: Polls, Questionnaires, and Interviews
1. Surveys offer structured ways to ask people closed-ended (e.g., yes/no) or open-
ended questions.
2. The return rate is the percentage of questionnaires returned from all those
distributed.
B. Participant Observation. Combines subjective knowledge gained through personal
people’s behavior.
E. Historical Research. Examines sociological themes over time.
F. Evaluation Research. Assesses the effect of policies and programs on people in
society.