A Dynamic Theory of Personality: Selected Papers

activity actual adult Aristotelian physics Aristotle association psychology behavior character characteristic completely concrete conflict situation definite degree of differentiation degree of reality Dembo depends difficulties direction duration of approach dynamic dynamic systems effect essential example exists experiments fact Fajans feeble-minded field forces field of force Forsch frequently fundamental Galileian Gestalt Psychology goal hard easy important individual inner sphere intellectual level of aspiration level of reality LEWIN life-space material properties means ment mode of thought momentary negative valence normal children object occur outer barrier particular person play positive valence possible present problem psychical systems Psychol psychological environment punishment situation question reality and unreality relatively result resumption rigidity satiation second task significance similar small child social structure substitute action substitute value teleology tendency tension system theory threat of punishment tion topology total situation total system unpleasant vectors whole ΙΟ