Constant errors donot occur in the matched reproduction of angles |
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Authors: | Peter Wenderoth Michael Johnson |
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Affiliation: | 1. Department of Psychology, University of Sydney, 2006, Sydney, Australia
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Abstract: | MacRae and Loh (1981) reported that when observers attempt to match angles, whether simultaneously or successively, and regardless of whether the angles have the same orientation or not, acute angles generally are set too large and obtuse angles, too small. Without presenting data, they argued indirectly that starting-position effects in their adjustment procedure could not have accounted for the errors. In four experiments, we have demonstrated that effects similar to MacRae and Loh’s do occur when their starting positions are used and that no such effects occur when psychophysical methods that minimize or eradicate starting position effects are used. |
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