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Construct validity of the Kendrick Battery with institutionalized aged.

M Fish, B Hayslip, S Marcus

    The Journal of Psychology
    |July 1, 1986
    PubMed
    Summary

    The Kendrick Battery shows potential for assessing organicity and depression in institutionalized adults. Its validity depends on how organicity and depression are psychometrically defined.

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    Area of Science:

    • Psychology
    • Neuropsychology
    • Psychometrics

    Background:

    • The Kendrick Battery is a tool used for assessing cognitive function.
    • Its construct validity needs further examination in diverse populations.
    • Understanding cognitive and emotional states in institutionalized individuals is crucial.

    Purpose of the Study:

    • To explore the construct validity of the Kendrick Battery.
    • To assess its ability to differentiate organicity and depression in an American sample.
    • To examine how different psychometric definitions of organicity and depression affect test validity.

    Main Methods:

    • A sample of 53 institutionalized residents was tested twice over a 6-week interval.
    • Psychometric tests were used as indexes for diffuse organicity, depression, and normality.
    • The Object Learning test and Digit Copying test were analyzed for their differentiating accuracy.

    Main Results:

    • When organicity was defined by disorientation and memory deficits, both Object Learning and Digit Copying tests accurately differentiated criterion groups.
    • When organicity included sensorimotor function, only the Digit Copying test remained accurate.
    • The Digit Copying test's accuracy was higher when depression was defined by irritability, restlessness, and despair.

    Conclusions:

    • The Kendrick scales appear sensitive to organicity and depression in the studied sample.
    • The construct validity of the Kendrick Battery is influenced by the specific psychometric criteria used to define organicity and depression.
    • Further research is needed to refine the application of the Kendrick Battery based on precise diagnostic definitions.

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