PSYCH 360 Lecture Notes - Lecture 3: Random Assignment
6 Sep 2016
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Satisfies requirements of scientific research: well- controlled, can be replicated, and increases validity. Satisfies requirements of experimental design: independent variables and dependent variables. In a study where you would prescribe a medication, it would be the type of the medication. In a study where the participants were exposed to certain videos, it would be the videos shown. Dependent variable: the variable that is being measured. In a study where the drug is given to reduce depression, the level of depression is being measured: random assignment. Random assignment is where each subject/participant has an equal probability of getting into a group in the study. One way researchers conduct random assignment is having the participants roll a die. If they get an even number they are in a certain group and they are in the other group if they roll an odd. The experimental method is difficult to use when studying personality.
