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| failure of a measure to detect a difference because it was too easy |
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| a person posing as a participant in an experiment who is actually part of the experiment |
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| explanation of the purposes of the research that is given to participants following their participation in the research |
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| cue that inform the subject how he or she is expected to behave |
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| electroencephalogram (EEG) |
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| a measure of the electrical activity of the brain |
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| items included in a questionnaire measure to help disguise the true purpose of the measure |
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| failure of a measure to detect a difference because it was too difficult |
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| Magnetic resonance imaging uses a magnet to obtain scans of structures of the brain. fMRI provides information on the amount of activity in different brain structures |
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| galvanic skin response (GSR) |
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| the electrical conductance of the skin, which changes when sweating occurs |
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| a measure used to determine whether the manipulation of the independent variable has had its intended effect on a subject |
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| a small-scale study conducted prior to conducting an actual experiment; designed to test and refine procedures |
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| in drug research, a group given an inert substance to assess the psychological effect of receiving treatment |
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| the ability of a measure to detect differences between groups |
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| straight forward manipulation |
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