Homework 4 - Homework 4 Stephanie Leath October 14, 2009 A...

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Homework 4 Stephanie Leath October 14, 2009 A study done by Thapar, Ratcliff, and Mckoon (2003) investigated how quickly and accurately a person can perform a feature discrimination task of letters as a factor of age. There were 3 conditions used to test young versus old participants. The participants had to choose which letter was flashed on the screen briefly, while they were also instructed to either be accurate, to be fast, or to be both accurate and fast. The older participants were shown to be slower and less accurate across all conditions, which conveys that as a person ages, they become less accurate and slower at distinguishing distinctive features in letters. This experiment supports the feature analysis theory of object recognition by showing that people use visual cues to determine what they saw. As a person ages, they cannot comprehend enough of the visual cues quickly to determine, with accuracy, the letter they saw. Another study was performed by Clement and Carpenter (1970) which looked at
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This note was uploaded on 04/23/2010 for the course PSY PSY taught by Professor Psych during the Fall '10 term at Wayne State University.

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Homework 4 - Homework 4 Stephanie Leath October 14, 2009 A...

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