1906-1975 arendt aspectpolitique aspectpsychologique bf441judge1982 bias cognitivepsychology cognitivescience decisionmaking employees existentialism existentialisme gerichtsentscheidung hannah heuristic heuristiek industrial industrialpsychology judgment meningsvorming onzekerheid personnel philosophy political politicalaspects politicalscience prisededécision psychologicalaspects psychologie psychologiedutravail psychology science travail work