Predictive Validity of DIAL-R

Author:

Mardell-Czudnowski Carol1,Goldenberg Dorothea S.2,Suen Hoi3,Fries Rebecca K.4

Affiliation:

1. Carol Mardell-Czudnowski is professor of Educational Psychology, Counseling, and Special Education, Northern Illinois University.

2. Dorothea S. Goldenberg is retired from the Cooperative Association for Special Education, Lombard, Illinois.

3. Hoi Suen is associate professor of Educational Psychology, University of Connecticut.

4. Rebecca K. Fries is director of special services, Joliet Public Schools.

Abstract

The establishment of predictive validity and the calculation of sensitivity and specificity were described for the DIAL-R. These results were compared with the concurrent and predictive validity figures from other screening tests. Suggestions for avoiding common problems include obtaining optimal cut-off scores by using the contrasting group method or by developing local norms and calculating sensitivity and specificity on one's own population and adjusting the cut-off points until the “best fit” is obtained.

Publisher

SAGE Publications

Subject

Building and Construction

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