Looking time: Experimenter and instruction effects |
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Authors: | Bruce T Leckart Larry Gehres Gordon Thornton |
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Institution: | 1. Department of Psychology, San Diego State College, 92115, San Diego, California 2. Kent State University, USA 3. Ohio University, USA
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Abstract: | A 2 by 3 factorial design was used to investigate the effects of the instructions and the presence of E on looking time. Two hundred thirty-nine college students viewed 30 colored stimuli of landscapes, single objects, and arrays of objects under three different sets of instructions, with E either present or absent while S viewed the stimuli. The results demonstrated that E’s presence depressed the time spent looking at the stimuli Evidence was also found suggesting that ambiguity in the typical instructions given Ss in looking-time experiments may result in artifactually long looking times. It was concluded that a more appropriate situation to investigate looking time would (1) utilize sham GSR instructions to reduce S’s uncertainty concerning the experiment’s purpose, and (2) arrange for E’s absence while S is viewing the stimuli |
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