Examlex
A building's angle of elevation from a point on the ground 34 m from its base is 31°. Find the height of the building (to the nearest meter) .
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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