PubMed · 6744900
Position response bias in visual field recognition.
Abstract
In testing the ability of the two hemispheres to recognize nonverbal visual stimuli, a common procedure is to present the visual stimulus to one visual half-field (VF) and to then require the subject to choose the VF stimulus from an answer array. However, this study shows that VF presentation is associated with a large position response bias. Subjects tended to choose the alternative in the left position on the answer sheet when a face or random shape was presented to the left VF, and the right position when the stimulus was presented to the right VF. Vertical alignment of the alternatives on the answer sheet eliminated this bias.
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D Hines. 1984. Position response bias in visual field recognition.. https://doi.org/10.1016/s0010-9452(84)80050-7
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