Social and Behavioral Sciences Commons^™

A Study Of Factor B Of The Early School Personality Questionnaire(Espq) As A Valid Measure Of General Mental Ability, Claude S. Iles

Electronic Theses & Dissertations

This study investigated the validity of the general ability factor, Factor B of the Early School Personality Questionnaire(ESPQ), in two ways. First, validity coefficients for Factor B were obtained by computing product-moment correlation coefficients between the ESPQ Factor B raw scores of 40 developmentally disabled subjects and their raw scores on the Wechsler Intelligence Scale for Children-Revised (WISC-R). Second, the Kruskal-Wallis rank sums test and a distribution-free multiple comparisons test were employed to determine if there were significant differences among the mean ESPQ Factor B raw scores of subjects designated as mentally retarded, learning disabled, or normal. Specifically, it was …

The Difference Between The Number Of Correct Responses Of Three Intellectually Defined Groups On The Digit Symbol Subtest Of The Wais, Brian Lange

Electronic Theses & Dissertations

This study was a preliminary endeavor concerned with an investigation into whether young adults of defined age ranges and defined intellectual levels obtain significantly different scores on the Digit Symbol sub-test of the WAIS.

With the confidence level set at .05, the null hypothesis that there was no significant difference between the Digit Symbol sub-test scores of the retarded, normal, and superior groups was tested. The term young adults was used to describe subjects between the ages of seventeen and twenty-five. The intellectual level defined as retarded, included Intelligence Quotient scores between 50 and 70; the normal level had Intelligence …