Examlex
Supply the name of the missing vein from this sequence: superior mesenteric and splenic veins, ________, inferior vena cava.
Drive-Reduction Principle
A theory in psychology that posits motivation arises from biological needs that drive an individual to act in ways that reduce the drive and bring about a steady state.
Extrinsic Motivation
The desire to behave in a certain way to gain some external reward or to avoid some undesirable consequence.
Drive
An internal state of tension or arousal that is brought about by an underlying need and that an organism is motivated to reduce.
Tension
The state of being stretched tight, which can refer to physical objects or describe psychological strain and stress.
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