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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Control variable at psychology-glossary.com■■■■
Control variable: Control variable refers to a circumstance of the experiment that the experimenter sets . . . Read More
Random Assignment at psychology-glossary.com■■■
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True Experiment at psychology-glossary.com■■■
True Experiment refers to an experiment in which the researcher has maximum Control over the Independent . . . 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
Demand characteristics at psychology-glossary.com■■
Demand characteristics refer to cues in an experiment  that tell the participant what behavior is expected. . . . Read More
Confederate at psychology-glossary.com■■
- Confederate refers to an accomplice of the experimenter who pretends to be a regular participant in . . . Read More
Attention only control group at psychology-glossary.com■■
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Impression management theory at psychology-glossary.com■■
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Synchronicity at psychology-glossary.com■■
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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