Conceptual blockbusting- chap2 perceptual blocks

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Perceptual blocks are obstacles that prevent the problem-solver from

clearly perceiving either the problem itself or the information needed to

solve the problem.

Mainly six kinds:

1) Detecting what you expect--stereotyping

  Stereotyping and labeling are extremely prevalent and effective

perceptual blcoks, however, you cannot see clearly if you are controlled

by preconceptions. Unfortunately, stereotyping is inherent in the working

of the mind.