PSYC 2740 Chapter 4: Chapter 4

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Disadvantages- demand characteristics (clues in the experimental setting or procedure that enable the participant to figure out the hypothesis and act in a manner to support it). Low in external validity (the notion that differences in behaviours that are obtained in the lab may be artificial and not reflect what happens in real world settings). Therefore low in generalizability (generalizing beyond the lab to more naturalistic contexts). Independent variable- the variable that is manipulated within an experiment. Manipulated variable- where one level or form of the variable is applied by the experimenter to a subset of the experiment participants but a different level or form of the independent variable is applied to another subset of participants. Subject variable- differences between people that can be used to classify participants into discrete groups when conducting an experiment. Experimental condition- one of two or more levels of an independent variable that a participant receives in an experiment.

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