PSYC 51a Lecture Notes - Lecture 1: Dependent And Independent Variables, Random Assignment, Operational Definition
25 Jan 2017
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Factor researchers control or manipulate in order to determine the effect on behavior. Example iv: aggressive tv program watched children group (experimental condition) vs. Documentary tv program watched children group (control condition) Circumstances selected/manipulated by experimenter - think independent of subjects" other behaviors . Experimenter selects subjects in these circumstances (assign subject to different groups) 2nd vs 4th graders, male vs female, college vs no college. Experimenter creates these circumstances for the subject. Video condition in ipt - verbal + non-verbal transcript condition in. Expected to cause some change in behavior. More violent films more aggressive behavior. Measured behaviors, the outcome - think this depends on what the subject does in the iv . Expected to be affected by the iv; the behavior change that is measured by the experimenter. # of words learned (affected by how motivated you are) How polite you are (depends on gender) Nail biting (caused by how anxious you feel)
