BIAS PRODUCED BY FAST GUESSING IN DISTRIBUTION-BASED TESTS OF RACE MODELS

被引:24
作者
MILLER, J
LOPES, A
机构
[1] Department of Psychology, C-009, UCSD, La Jolla, 92093-0109, CA
来源
PERCEPTION & PSYCHOPHYSICS | 1991年 / 50卷 / 06期
关键词
D O I
10.3758/BF03207544
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
A comparison involving cumulative probability distributions of reaction time (RT) has been used to test race models of the redundancy gain observed in certain divided-attention paradigms. It has been pointed out, however, that the presence of fast guesses would interfere with this test, biasing it to accept race models. The present paper reports simulations carried out to determine the size of the bias introduced by fast guesses. In absolute terms, this bias can be quite large-exceeding 175 msec in some conditions. Simulations indicate that the bias increases with the percentage of fast guesses and with the latency difference between the lower tails of guess and nonguess RT distributions. Discarding and rerunning errors reduces bias somewhat, but a more elaborate "kill-the-twin" procedure reduces it much more.
引用
收藏
页码:584 / 590
页数:7
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