What question did this study set out to answer?

The study aims to evaluate the psychometric properties of two assessment tools for reliability and validity in autism spectrum disorder.

March 30, 2026Behavioral Interventions

Comprehensive Psychometric Evaluation of the Assessment of Basic Language and Learning Skills‐Revised and the Assessment of Functional Living Skills

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Authors

TFThomas W. FrazierAutism Speaks NENissa Van EttenUniversity of Fort Lauderdale RKRichard M. KubinaPennsylvania State University

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Implication

Psychometric evaluation shows strong reliability and validity of language and living skills assessments for individuals with neurodevelopmental disabilities.

Key Points

The study aims to evaluate the psychometric properties of two assessment tools for reliability and validity in autism spectrum disorder.
Comprehensive psychometric evaluation of ABLLS‐R and AFLS tools.
Analysis of assessment data from 41,912 individuals with multiple administrations.
Evaluation of unidimensionality, reliability, and validity metrics across content areas.
ABLLS‐R and AFLS demonstrated excellent internal consistency (α ≥ 0.88).
Test–retest reliability was fair to excellent for both assessments (ABLLS‐R r xx ≥ 0.40; AFLS r xx ≥ 0.60).
High correlation (r = 0.82) between ABLLS‐R and AFLS total scores.

Cite This Study

Frazier et al. (2026) studied this question.

synapsesocial.com/papers/69c9c5a4f8fdd13afe0bd920 https://doi.org/10.1002/bin.70092

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Implication

Psychometric evaluation shows strong reliability and validity of language and living skills assessments for individuals with neurodevelopmental disabilities.

Comprehensive Psychometric Evaluation of the Assessment of Basic Language and Learning Skills‐Revised and the Assessment of Functional Living Skills

Discussion

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Implication

Key Points

Cite This Study

Comprehensive Psychometric Evaluation of the Assessment of Basic Language and Learning Skills‐Revised and the Assessment of Functional Living Skills

Discussion

Member takes

Implication

Key Points

Cite This Study

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