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Journal of Speech and Hearing Disorders Vol.48 145-149 May 1983.
© American Speech-Language-Hearing Association
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Test-Retest Stability of the Hiskey-Nebraska Test of Learning Aptitude in a Sample of Hearing-Impaired Children and Adolescents

Betty U. Watson 1

1 The Boys Town Institute for Communication Disorders in Children, Omaha, Nebraska

The test-retest stabilitv of the Hiskey-Nebraska Test of Learning Aptitude (H-NTLA) was examined in a group of hearing-impaired children and adolescents. Test-retest correlations for subjects retested after approximately 1 year, 3 years, and 5 vears were .79, .85, and .62 respectively. These findings are similar to those reported for normal subjects in studies using verbal intelligence measures. In spite of reasonably high test-retest correlations, more than one half of the sample showed a 10-point or greater difference in Learning Quotient between the two evaluations, and more than one third of the sample showed a 15-point or greater difference. These findings demonstrate the necessity of basing important decisions on more than one measure of intelligence.

Submitted on March 18, 1982
Accepted on November 30, 1982






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