Stability of IQ [electronic resource] : A Longitudinal Study of WISC-R Scores of Students Experiencing Learning Difficulties / Anna H. Avant.

The stability of intelligence test scores over time was examined for the Wechsler Intelligence Scale for Children-Revised (WISC-R). Subjects included 64 children aged 6-16, who had been administered the WISC-R during prior evaluations. These students had been referred because of academic difficultie...

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Bibliographic Details
Online Access: Full Text (via ERIC)
Main Author: Avant, Anna H.
Format: Electronic eBook
Language:English
Published: [S.l.] : Distributed by ERIC Clearinghouse, 1985.
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100 1 |a Avant, Anna H. 
245 1 0 |a Stability of IQ  |h [electronic resource] :  |b A Longitudinal Study of WISC-R Scores of Students Experiencing Learning Difficulties /  |c Anna H. Avant. 
260 |a [S.l.] :  |b Distributed by ERIC Clearinghouse,  |c 1985. 
300 |a 18 p. 
500 |a ERIC Document Number: ED265215. 
500 |a ERIC Note: Paper presented at the Annual Meeting of the Mid-South Educational Research Association (14th, Biloxi, MS, November 6-8, 1985).  |5 ericd. 
500 |a Educational level discussed: Elementary Secondary Education. 
520 |a The stability of intelligence test scores over time was examined for the Wechsler Intelligence Scale for Children-Revised (WISC-R). Subjects included 64 children aged 6-16, who had been administered the WISC-R during prior evaluations. These students had been referred because of academic difficulties. One-third of the sample had taken the test twice, one-third three times, and one-third four times. Verbal intelligence quotient (IQ), performance IQ, and full scale IQ scores were available. Correlations and t values values were computed between the first and second, second and third, and third and fourth WISC-R administrations. Results indicated test stability coefficients ranged from .71 to .93 for verbal IQ, from .76 to .88 for performance IQ, and from .69 to .93 for full scale IQ. For the 22 students who had four testing experiences, mean scores were below average each time. Scores generally decreased slightly in subsequent test administrations. An analysis using Pearson correlations showed the following statistically significant correlations between test trials: verbal, .71 to .93; performance, .69 to .88; and full IQ, .66 to .93. It was concluded that the WISC-R is a reliable test, over time, when used with school-age children experiencing learning difficulties. (GDC) 
521 8 |a Researchers.  |b ericd. 
650 0 7 |a Elementary Secondary Education.  |2 ericd. 
650 1 7 |a Intelligence Quotient.  |2 ericd. 
650 1 7 |a Intelligence Tests.  |2 ericd. 
650 1 7 |a Learning Problems.  |2 ericd. 
650 0 7 |a Longitudinal Studies.  |2 ericd. 
650 0 7 |a Performance Tests.  |2 ericd. 
650 0 7 |a Scores.  |2 ericd. 
650 1 7 |a Test Reliability.  |2 ericd. 
650 0 7 |a Verbal Tests.  |2 ericd. 
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