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Originalarbeit

Linguistische Fairness und differentielle Validität des Auditiven Wortlisten Lerntests (AWLT) bei Demenz vom Alzheimer-Typ

Published Online:June 06, 2019https://doi.org/10.1026/0012-1924/a000227

Abstract

Zusammenfassung. Der Auditive Wortlisten Lerntest (AWLT) ist Teil des Test-Sets Kognitive Funktionen Demenz (CFD; Cognitive Functions Dementia) im Rahmen des Wiener Testsystems (WTS). Der AWLT wurde entlang neurolinguistischer Kriterien entwickelt, um Interaktionen zwischen dem kognitiven Status der Testpersonen und den linguistischen Eigenschaften der Lernliste zu reduzieren. Anhand einer nach Alter, Bildung und Geschlecht parallelisierten Stichprobe von gesunden Probandinnen und Probanden (N = 44) und Patientinnen und Patienten mit Alzheimer Demenz (N = 44) wurde mit ANOVAs für Messwiederholungen überprüft, inwieweit dieses Konstruktionsziel erreicht wurde. Weiter wurde die Fähigkeit der Hauptvariablen des AWLT untersucht, zwischen diesen Gruppen zu unterscheiden. Es traten Interaktionen mit geringer Effektstärke zwischen linguistischen Eigenschaften und der Diagnose auf. Die Hauptvariablen trennten mit großen Effektstärken Patientinnen und Patienten von Gesunden. Der AWLT scheint bei vergleichbarer differenzieller Validität linguistisch fairer als ähnliche Instrumente zu sein.


Linguistic Fairness and Differential Validity of the Auditory Wordlist Learning Test (AWLT) in Dementia of the Alzheimer’s Type

Abstract. The Auditory Wordlist Learning Test (AWLT) is part of the test set Cognitive Functions Dementia (CFD) of the Vienna Test System (VTS). The AWLT was developed along neurolinguistic criteria to prevent interactions between the cognitive status of the test-persons and the linguistic characteristics of the learning list. Using data from a sample of healthy persons (N = 44) and persons with Alzheimer’s dementia (N = 44) who were matched for age, education, and sex, we investigated with ANOVAs for repeated measures whether this aim of the test construction was met. We found interactions of small effect size between linguistic variables and the diagnosis. The AWLT’s main variables differentiated with large effect sizes between the groups. The AWLT seems to be linguistically fairer and equally valid compared with similar instruments.

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