Glossary P

Purkey and Schmidt identified four (4) characteristics of the effective helper: being personally inviting with oneself, being personally inviting with others, being professionally inviting with oneself, and being professionally inviting with others.

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Purkinje cell refers to the neuron type in the cerebellum; a very flat cell in a plane perpendicular to that of other Purkinje cells. Purkinje cell is a specific type of neuron that is found in the cerebellum. The dendrites characteristically spread out in one plane.

Purkinje shift refers to the shift from cone spectral sensitivity to rod spectral sensitivity that takes place during dark adaptation.

Deutsch: Lila / Español: Púrpura / Português: Roxo / Français: Violet / Italiano: Viola

Purple in the psychology context refers to the associations, meanings, and emotional responses linked to the colour purple and how it affects human behaviour and perception. Colours can have powerful psychological impacts, influencing mood, thought processes, and even physiological responses. Purple, in particular, carries unique connotations that stem from historical, cultural, and symbolic significance.

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Purpose may be defined as the ability to imagine and pursue valued goals. According to Erikson, Purpose the the balance between individual initiative and the willingness to cooperate with others

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Purposeful distortion is when the subjects "purposely" give false information in a survey which may "distort" the results.

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Purposive behavior refers to the behavior that is directed toward some goal and that terminates when the goal is attained.

Purposive behaviorism is a type of Behaviorism Tolman pursued, which emphasizes molar rather than molecular behavior.