Factor Analysis in CAPD and the "Unimodal" Test Battery Do We Have a Model that Will Satisfy? Letter to the Editor
Letter to the Editor  |   June 01, 2002
Factor Analysis in CAPD and the "Unimodal" Test Battery
 
Author Affiliations & Notes
  • Dennis J. McFarland
    The Wadsworth Center, Albany, NY
  • Anthony T. Cacace
    Albany Medical College, Albany, NY
Article Information
Hearing Disorders / Language Disorders / Letters to the Editor
Letter to the Editor   |   June 01, 2002
Factor Analysis in CAPD and the "Unimodal" Test Battery
American Journal of Audiology, June 2002, Vol. 11, 7-9. doi:10.1044/1059-0889(2002/ltr01)
 
American Journal of Audiology, June 2002, Vol. 11, 7-9. doi:10.1044/1059-0889(2002/ltr01)
Domitz and Schow (2000)  present a series of exploratory factor analyses involving their Multiple Auditory Processing Assessment (MAPA) battery and the Screening Test for Auditory Processing Disorders (SCAN). Their interpretation of these analyses argues that four distinct aspects of central auditory processing are measured by these tests, but they note that some inconsistencies exist in their results. In a companion article, Schow, Seikel, Chermak, and Berent (2000)  present results of a confirmatory factor analysis, which they suggest support the four-factor model. Herein, we point out several issues of contention with respect to the analysis and interpretation of these data. In addition, the lack of tests in other sensory modalities precludes the ability to demonstrate modality specificity with this battery, and therefore represents a major limitation with this proposed battery of tests. This and other issues are expanded on below.
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