APA Dictionary of Psychology
position effect
- the difference a gene’s position on a chromosome makes to that gene’s expression.
- in parapsychology experiments using Zener cards or similar targets, an effect in which the position of the target in a temporal series or a spatial array appears to influence the accuracy of the participant’s “calls” or guesses. See also decline effect; differential effect; focusing effect; preferential effect; sheep–goat effect.
Updated on 04/19/2018
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