free-operant avoidance see Sidman avoidance schedule.
attitudinal types in Carl Jung’s analytic psychology, two p...
natural reinforcer a stimulus or circumstance, such as food...
Sorry, "american-psychological-foundation-apf" is not in the Dictionary of Psych...
oculomotor nucleus a nucleus in the brainstem that is assoc...
trigger 1. n. a stimulus that elicits a reactio...