Find over 25,000 psychological definitions


mental asymmetry

an imbalance in mental abilities, as in individuals with Williams syndrome, who may exhibit severe impairment in visuospatial abilities but possessing good to exceptional language abilities.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

January 30th 2025

critical region

critical region

a range of values that may be obtained from a statistical procedure that would lead to rejecting a specific claim about a population. More specifically, it is the portion of a probability distribution containing the values for a test statistic that would result in rejection of a null hypothesis in favor of its corresponding alternative hypothesis. Also called rejection region. Compare acceptance region.