Random variable refers to a circumstance in an experiment whose level is determined by chance rather than being controlled by the experimenter.

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Random Assignment at psychology-glossary.com■■■■
Random Assignment refer to the assignment of Research participants to treatment conditions whereby each . . . Read More
Experimental research at psychology-glossary.com■■■■
Experimental research is defined essentially as research in which the causal (independent ) variable(s) . . . Read More
Dependent variable at psychology-glossary.com■■■■
A dependent variable is what you measure in the experiment and what is affected during the experiment. . . . Read More
Manipulation at psychology-glossary.com■■■■
Manipulation is defined as the alteration of a variable by an experimenter in expectation that the alteration . . . Read More
Independant Variable at psychology-glossary.com■■■■
Independant Variable: Independent variable in the psychology context refers to the variable that is manipulated . . . Read More
Demand characteristics at psychology-glossary.com■■■
Demand characteristics refer to cues in an experiment that tell the participant what behavior is expected. . . . Read More
Random sample at psychology-glossary.com■■■
Random sample refers to a survey procedure in which every person in the population being studied has . . . Read More
Sample at psychology-glossary.com■■■
Sample refers to a selection of individuals from a larger group In psychology, a "sample" is a group . . . Read More
Experimental analysis of behavior at psychology-glossary.com■■■
Experimental analysis of behavior refers to a phrase typically associated with Skinner’s system. Reflects . . . Read More
Control condition at psychology-glossary.com■■■
Control condition refers to an experimental condition, often with no treatment, used as a baseline In . . . Read More