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Psychology

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University of Richmond

Honors Theses

1975

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The Effect Of A Past History Of Reinforcement On Signal Detection, Jo Ann Weaver Jan 1975

The Effect Of A Past History Of Reinforcement On Signal Detection, Jo Ann Weaver

Honors Theses

Previous research indicated that a past history of reinforcement affects perception, but conflicting data were found concerning the effect of punishment. These experiments were testing the theory of signal detection, which holds that a past history of reinforcement when linked with a signal makes perception of that signal more likely in the future. Eighty eight students from introductory psychology classes at the University of Richmond participated. Subjects looked at inkblots and made responses on a human operant apparatus. In Experiment 2 an analysis of variance revealed a significant difference in the perception of human forms in ambiguous inkblots after a …