PSY 2012 Chapter Notes - Chapter 2: Malingering, Central Tendency, Syphilis
8 Dec 2015
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Naturalistic observation- behavior in its natural environment: no manipulation, just observing. Case study- report one interesting individual: freud"s famous cases. Determine whether two or more variables covary: covary- when changes in one variable are in conflict with the specific changes of another. Helps to establish the directions, magnitudes, and forms of the observed relationships. No attempt to manipulate variables observe as is. Example- playing violent video games makes you violent: studied by anderson and dill in 2000. Found that there is a positive association between exposure to violent video games and aggressive personalities. Correlational research does not prove causation: the correlation coefficient no matter how large cannot tell us which applies. Does manipulate variables: manipulate independent variable and observe changes with dependent variable. Only way to conclusively examine causal relationships: research design. Variable- event or characteristic with at least two possible values. Independent- intentionally manipulated, controlled, vary at known rate. Dependent- intentionally left alone, measured, vary at unknown rate.
