The confidence/significance level implies a certain cost ratio between type I error and type II error: For a stronger focus on decision theory in psychological assessment - Das Konfidenz-/Signifikanzniveau impliziert ein bestimmtes Kostenverhältnis zwischen Fehler 1. Art und Fehler 2. Art: Für ein stärkeres Einbeziehen der Entscheidungstheorie in die psychologische Einzelfalldiagnostik
Abstract:__Abstract__: Psychological assessment often requires concrete decisions, e.g. whether a person is “below the norm” in some psychological domain. It is still common that practitioners directly compare the test score with some theoretical norm value (e.g., one standard deviation below the mean). In a literature review, we show that all German textbooks on Psychological Assessment recommend taking measurement uncertainty of psychological tests into account, for example by using critical differences, hypothesis t… Show more
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