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