Examlex
A 2007 report by the Nuclear Information and Resource Service, a nonprofit organization, indicates that:
Conditioned Reinforcer
A stimulus that becomes reinforcing by being linked to a primary reinforcer, also referred to as a secondary reinforcer.
Primary Reinforcer
A naturally reinforcing stimulus, such as food or drink, that fulfills a basic biological need and does not require learning to become desirable.
Soothing Back Rub
A gentle and calming massage on the back designed to relieve stress and tension.
Word of Praise
An expression or utterance of approval, commendation, or admiration.
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