PS101 Chapter Notes - Chapter 2: American Psychological Association, Canadian Psychological Association, Social Desirability Bias
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Research methods consist of many approaches to the observation, measurement, manipulation, and control of variables in empirical studies. 2 basic type of research methods used in psychology. Experiment a research method when investigator manipulates a variable under controlled conditions & observes if any changes occur in a second variable as a result. V. ) condition or event that an experimenter varies to see its impact on another variable. Hypothesized to have effect on dependent variable. V. ) variable thought to be affected by manipulation of the indep. Experimental group subjects who receive same special treatment in regard to the indep. Control group similar subjects who do not receive the special treatment given to the experimental group. Variables that can skew the results: extraneous, secondary, or nuisance variables. Extraneous variables any variables other than indep. V. that seem likely to influence the dep.