Find over 25,000 psychological definitions

weaning aggression

in some species, aggression directed by mothers toward their young at the time of weaning to prevent them from suckling.

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

June 18th 2024

two-parameter model

two-parameter model

in item response theory, a model that specifies two parameters affecting an individual’s response to a particular test item: (a) the difficulty level of the item and (b) the item discriminability. See also Rasch model; three-parameter model.