Abstract
Das Ziel dieser Untersuchung besteht in einer ersten Überprüfung der testtheoretischen Kennwerte des neu entwickelten «Fragebogens zur geistigen Leistungsfähigkeit (FLei)» bei Patienten mit psychischen Störungen. An der Untersuchung nahmen insgesamt 259 Personen teil, 68 Schizophreniepatienten, 94 depressive Patienten und 97 Kontrollpersonen. Die ursprüngliche Version des Fragebogens umfasste 88 Items der Bereiche Aufmerksamkeit, Gedächtnis und Exekutivfunktionen sowie Fragen zum visuellen Neglekt. Der Fragebogen konnte auf 35 Items reduziert werden. Items verschiedener Funktionsbereiche waren hoch miteinander korreliert. Itemkennwerte, interne Konsistenz und Split-Half Reliabilität sind durchgängig als gut zu bezeichnen. Depressive Patienten berichteten die deutlichsten Defizite. Eine funktionsspezifische Auswertung ist aufgrund der hohen Interkorrelationen zwischen den Funktionsbereichen nur bedingt zu empfehlen. In weiteren Untersuchungen sollten die Ergebnisse an einer unabhängigen Stichprobe bestätigt werden.
The present study aimed at a first evaluation of the new developed questionnaire for complaints of cognitive disturbances (FLei) in patients with mental disorders. We investigated 259 subjects, 68 patients with schizophrenia, 94 patients with depression, and 97 healthy subjects. The first version of the questionnaire had 88 items covering the domains of attention, memory, executive functions, and visual neglect. We shortened the questionnaire to 35 items. Domains were highly correlated. The questionnaire demonstrated sound characteristics of the items, high consistency, and sound split-half reliability. Depressive patients reported the most pronounced deficits. High intercorrelations question the distinctiveness of the neuropsychological domains. In future studies the results of the present study need to be confirmed with independent samples.
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