Find over 25,000 psychological definitions


memory drum

a device formerly used to present items in memory experiments. The drum turned at a given speed, allowing one item at a time to be seen through an opening. The memory drum has been replaced by presentation of items on a computer screen.

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

February 1st 2025

blank trial

blank trial

a trial within an experiment that uses irregular or meaningless stimulus conditions to prevent the participant from guessing or giving automatic responses. See also catch trial.