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Related Experiment Video

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The α-test: Rapid Cell-free CD4 Enumeration Using Whole Saliva
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Ammons quick test validity among randomly selected referrals.

Robert John Zagar, Joseph W Kovach, Kenneth G Busch

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    |April 4, 2014
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    Summary
    This summary is machine-generated.

    The Ammons Quick Test (QT) remains a valid measure of receptive vocabulary and verbal intelligence after 51 years. Its scores correlate well with other cognitive and adaptive behavior assessments for youth and adults.

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    Area of Science:

    • Psychometrics and Educational Psychology
    • Neuropsychology and Cognitive Assessment

    Background:

    • The Ammons Quick Test (QT) has been in use for over five decades.
    • Its continued validity and utility in contemporary clinical settings require ongoing evaluation.
    • Assessing receptive vocabulary, verbal intelligence, and auditory processing remains crucial in developmental and clinical psychology.

    Purpose of the Study:

    • To evaluate the psychometric properties and clinical utility of the Ammons Quick Test (QT).
    • To determine the correlation of the Ammons QT with other established cognitive and adaptive behavior measures.
    • To ascertain the continued validity of the original Ammons QT norms after 51 years.

    Main Methods:

    • A sample of 89 Youth and 147 Adults were recruited via volunteer referrals and selected using a random number table.
    • Participants completed the Ammons Quick Test (QT).
    • Pearson product-moment correlations were computed between the Ammons QT and the Peabody Picture Vocabulary Test-3b (PPVT-3b), Vineland Adaptive Behavior Scales-2, Wechsler Intelligence Scales (WISC-4/WAIS-4), and Wide Range Achievement Test-Fourth Edition (WRAT-4).

    Main Results:

    • The Ammons Quick Test (QT) demonstrated moderate to strong and statistically significant correlations with the PPVT-3b, Vineland Adaptive Behavior Scales-2, WISC-4/WAIS-4, and WRAT-4.
    • These correlations indicate that the Ammons QT effectively measures constructs similar to those assessed by these other standardized instruments.
    • The statistical analyses support the continued relevance of the Ammons QT's original norms.

    Conclusions:

    • The Ammons Quick Test (QT) remains a valid and reliable measure for assessing receptive vocabulary, verbal intelligence, and auditory information processing in both youth and adult populations.
    • Its strong correlations with other widely used assessments suggest its continued utility for clinicians.
    • The original norms established 51 years ago are still applicable for current clinical evaluations.