Franklin

Time ratio perception discrimination and identification performance / Christine I. Lutz.

Author/Creator:
Lutz, Christine I.
Publication:
2003.
Format/Description:
Microformat
vi, 123 p. : ill. ; 29 cm.
Local subjects:
Penn dissertations -- Psychology.
Psychology -- Penn dissertations.
Summary:
In Chapter 1 of this dissertation, data from the literature on the perception and production of time ratios is reviewed. This review will show that there are dissociations between perception and production, in terms of both precision and accuracy. These data will be reviewed in the context of a common model for the timing of intervals.
In Chapters 2 and 3, two experiments testing the perception of time ratios are presented. Experiment 1 is a discrimination experiment comparing discrimination performance around simple ratios (1:2, 1:1, and 2:1) to discrimination performance around 9 other ratios. Experiment 2 asks which physical ratios are perceived as 1:2, 1:1, and 2:1. In other words, Experiment 1 concerns the precision of time ratio perception, and Experiment 2 concerns the accuracy of time ratio perception.
The results of Experiment 1 show that discrimination performance depends on the ratio tested: discrimination performance peaks for ratios in between the simple ratios. This is consistent with results reported by Clarke (1987). The results of Experiment 2 show that there are significant biases in the perception of time ratios. Neither of these results can be accounted for by the interval-timing model.
Chapter 4 presents a summary of the results, and the consideration of a hypothesis linking the data in Experiments 1 and 2.
Notes:
Supervisor: Saul Sternberg.
Thesis (Ph.D. in Psychology) -- University of Pennsylvania, 2003.
Includes bibliographical references.
Local notes:
University Microfilms order no: 3087426.
Contributor:
Sternberg, Saul, advisor.
University of Pennsylvania.
ISBN:
9780496351961
OCLC:
244972944
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