![Sample our Behavioral Sciences journals, sign in here to start your access, latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/110801/TOC-Subject-Sample-2021-Behavioral-Sciences.jpg"})
ABSTRACT
In a comparative visual search experiment, two halves of a display contained visual primitives of various shapes and colors. These halves were identical (50% of trials) or contained a non-matching pair (50% of trials). Response time (RT), accuracy, and eye movements were measured in both young and older adults. There were Age Group × Display Size interactions found for RT, with older adult RT affected more than younger adult RT by increases in display size. This interaction was consistent with predictions generated by sequential-sampling models for RT. There were age group main effects on fixation number and fixation duration, but no age group main effects on accuracy, saccade amplitude, or measures of scan-path efficiency; this indicated that search strategies were similar across age groups. Overall, the results showed no special age group deficits for comparative visual search.
ACKNOWLEDGMENTS
This research was supported in part by National Institute on Aging grant RO1 AG20860. The author is grateful for the helpful comments of Charles Scialfa and Robert Lorch on a previous version of this paper. Help on programming and statistics was provided by Tim Askins and Marie Gantz.
Notes
1 Correct trials only (hits and correct rejections).
*p < .05.
**p < .01.
*p < .05.
**p < .01.
***T > 0, p < .01 by one-tailed test.