Reliability of intellectual ability test, DAP: IQ

Abstract

The reliability of the scores of Draw-A-Person Intellectual Ability Test for Children, Adolescents and Adults, DAP: IQ is examined with a sample of 155 children aged 6 to 11 years. Alpha coefficients were obtained from 0.63 to 0.74, the average alpha for the total sample was 0.68; It also was the difference in alpha coefficients confirmed that the low reliability of all our data with regard to the normative study. The agreement interscorer was 0.91. The results were not consistent with those reported by the authors of the test. We suggest a cautious use of this instrument for the assessment of groups with similar characteristics.

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