Find over 25,000 psychological definitions


vestibule

n. a chamber that leads to a body cavity or that connects one cavity to another. The vestibule of the vagina is the cavity in the vulva, between the two labia minora, into which the vagina, urethra, and greater vestibular glands open. The vestibule of the inner ear is the cavity of the bony labyrinth that contains the utricle and saccule (the vestibular sacs) and is connected to the semicircular canals and cochlea. —vestibular adj.

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 15th 2025

reversal design

reversal design

an experimental design, generally used when only a single group is being studied, that attempts to counteract the confounding effects (see confound) of sequence and treatment by alternating baseline conditions with treatment conditions. Examples include the A-B-A design and other similar combinations. See also alternating treatments design.