TENSION SYSTEMS - TENSION SYSTEMS A need is Lewin's basic...

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TENSION SYSTEMS A need is Lewin's basic motivational concept. It may arise from a physiological condition like hunger or may be a desire or intention to do something. Needs release energy, increase tension, and determine the strength of vectors and valences. A system (region) in the person is said to be in a state of tension whenever a need or intention exists. A positive or negative valence is the attraction or repulsion that a region in the psychological environment has for someone. A positive valence exists when the person thinks the region will reduce tension by meeting present needs, while a negative valence exists when the person thinks the region will increase tension or threatens injury. A vector is a force that arises from a need that acts on the person and determines the direction in which he or she moves through the psychological environment. For every region with a positive valence, a vector pushes the person in its direction. With a negative valence, a vector pushes the person away from it. Often two or more vecdtors act on the person at the same time, and then the locomotion is
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This note was uploaded on 11/17/2011 for the course PSY PSY2012 taught by Professor Scheff during the Fall '09 term at Broward College.

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TENSION SYSTEMS - TENSION SYSTEMS A need is Lewin's basic...

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