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Keywords: cognitive performance
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Journal Articles
Journal:
Collabra: Psychology
Collabra: Psychology (2020) 6 (1): 3.
Published: 09 January 2020
... permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/ . red color cognitive performance intelligence general knowledge Biologically inherited and socially learned color...
Abstract
Colors convey meaning and can impair intellectual performance in achievement situations. Even the processing of color words can exert similar detrimental effects. In four experiments, we tried to replicate previous findings regarding the processing of the word “red” (as compared to a control color) on cognitive test scores. Experiments 1 and 2 ( N s = 69 and 104) are direct replications of Lichtenfeld, Maier, Elliot, and Pekrun ( 2009 ). Both experiments failed to uncover a red color effect on verbal reasoning scores among high school students and undergraduates (Cohen’s d = 0.04 and –0.23). Experiments 3 and 4 ( N = 103 and 1,149) failed to identify an effect of processing red on general knowledge test scores (Cohen’s d = 0.19) and 0.01) among undergraduates and adults. Together, these results do not corroborate the assumption that processing the word red impairs intellectual performance.
Includes: Supplementary data
Journal Articles
Journal:
Collabra: Psychology
Collabra: Psychology (2019) 5 (1): 10.
Published: 04 March 2019
... some evidence for reward learning in the training phase, results from the test phase showed no evidence that reward-related distractors harm cognitive performance. This null effect was invariant across different versions of our task. We examined the results further with Bayesian analyses, which showed...
Abstract
Over a hundred prior studies show that reward-related distractors capture attention. It is less clear, however, whether and when reward-related distractors affect performance on tasks that require cognitive control. In this experiment, we examined whether reward-related distractors impair performance during a demanding arithmetic task. Participants (N = 81) solved math problems, while they were exposed to task-irrelevant stimuli that were previously associated with monetary rewards (vs. not). Although we found some evidence for reward learning in the training phase, results from the test phase showed no evidence that reward-related distractors harm cognitive performance. This null effect was invariant across different versions of our task. We examined the results further with Bayesian analyses, which showed positive evidence for the null. Altogether, the present study showed that reward-related distractors did not harm performance on a mental arithmetic task. When considered together with previous studies, the present study suggests that the negative impact of reward-related distractors on cognitive control is not as straightforward as it may seem, and that more research is needed to clarify the circumstances under which reward-related distractors harm cognitive control.