PSYCH 3CB3 Lecture Notes - Lecture 11: Geometric Shape, Classical Conditioning, Cockroach
12 Oct 2016
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Presentation phase: chinese ideographs flashed followed by masking stimulus (array of white and grey dots, geometric shape flashed followed by masking stimulus, presented 1 time or 5 times. Subjective familiarity: birnbaum-mellers: subjective familiarity = liking. Person"s subjective impression that the stimulus is familiar produces expression of liking: moreland-zajonc: subjective recognition plus subjective effect. Frequency --> subjective recognition - familiarity; confidence and accuracy in estimates of frequency. Frequency --> subjective liking; with or without accurate judgments of relative familiarity. Initially, stimulus may evoke a number of competing associations; repeated exposure reduces those to a single dominant associative response. Response competition is uncomfortable, which is why repeated exposure increases liking: stimulus evokes competing responses --> uncomfortable increasing exposure reduces that to one dominant response. Rating increases with time between exposure and rating; assume that correct attribution for fluency fade over time. Effect reduced or eliminated if alternate explanations for fluency are provided.
