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The developmental record: reliability and validity in a clinical population.

C Brems¹, D Kowalski, J Powell

¹University of Oklahoma Health Sciences Center.

American Journal of Mental Retardation : AJMR

|May 1, 1990

Summary

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The Developmental Record shows high internal reliability for adults with developmental disabilities. However, its validity is questionable, as factor analysis did not confirm its subscale structure.

Area of Science:

Psychometrics
Developmental Psychology
Clinical Assessment

Background:

The Developmental Record has been utilized since 1974 for assessing adults with developmental disabilities.
No recent studies have confirmed the clinical utility of the Developmental Record through reliability and validity testing.
This instrument is particularly prevalent in the midwestern and southwestern United States.

Purpose of the Study:

To evaluate the reliability and validity of the Developmental Record.
To determine the clinical usefulness of the Developmental Record for adults with developmental disabilities.

Main Methods:

A total of 1,069 Developmental Record protocols were collected from archival records.
The study employed factor analysis to examine the instrument's subscale structure.

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Internal reliabilities were calculated to assess the consistency of the instrument.

Main Results:

The Developmental Record demonstrated high internal reliabilities.
Validity of the instrument was found to be questionable.
Factor analysis did not confirm the proposed subscale structure of the Developmental Record.

Conclusions:

While the Developmental Record exhibits strong internal consistency, its validity is a concern.
The lack of confirmed subscale structure suggests potential issues with the instrument's construct validity.
Further research is needed to clarify the clinical utility and psychometric properties of the Developmental Record.