Find over 25,000 psychological definitions


behavioral pathogen

a behavior or lifestyle that may increase the risk of developing illness or disability and may reduce life expectancy. Examples of behavioral pathogens are smoking, drug abuse, poor diet, unprotected sexual activity, and a sedentary lifestyle. Compare behavioral immunogen.

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 13th 2025

mathematical model

mathematical model

the representation of a psychological or physiological function, or other process, in mathematical terms, such as formulas or equations (e.g., Fechner’s law).