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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
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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).

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.