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A new CAPD battery--multiple auditory processing assessment: factor analysis and comparisons with SCAN.

D M Domitz1, R L Schow

  • 1Idaho State University, Pocatello, USA.

American Journal of Audiology
|February 24, 2001
PubMed
Summary

The Multiple Auditory Processing Assessment (MAPA) effectively evaluates auditory processing in third graders. This test battery aligns with ASHA guidelines for identifying central auditory processing disorders (CAPDs).

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Area of Science:

  • Audiology
  • Speech and Hearing Science
  • Pediatric Auditory Assessment

Background:

  • Established guidelines by Musiek & Chermak (1994) and ASHA (1996) inform auditory processing disorder assessment.
  • Central Auditory Processing Disorders (CAPDs) require comprehensive evaluation batteries.
  • Existing screening tools may not capture the full spectrum of CAPDs.

Purpose of the Study:

  • To evaluate the Multiple Auditory Processing Assessment (MAPA) as a comprehensive test battery for school children.
  • To compare the factor structure of MAPA with the SCAN screening test for auditory processing disorders.
  • To determine if MAPA aligns with ASHA's (1996) defined components of CAPDs.

Main Methods:

  • A battery of four tests, the Multiple Auditory Processing Assessment (MAPA), was administered to 81 third-grade children.

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  • The SCAN screening test was administered concurrently to assess auditory processing disorders.
  • Exploratory factor analyses were conducted on MAPA and SCAN data.

    • Main Results:

    • Four distinct factors emerged from the MAPA tests: monaural separation/closure (MSC), auditory pattern/temporal ordering, binaural integration, and binaural separation (BS).
    • These MAPA factors closely correspond to ASHA's (1996) defined CAPD components.
    • The SCAN test appeared to measure two factors: MSC and BS.

    Conclusions:

    • The MAPA shows promise as an appropriate multiple-test battery for assessing CAPDs in third-grade children.
    • MAPA meets several objectives outlined in the ASHA (1996) consensus document.
    • Further use of MAPA is encouraged for comprehensive auditory processing evaluations.