Moore, Alfred H.2022-05-192022-05-19197313912417https://hdl.handle.net/10657/9168Ninety learning disability and ninety normal boys were tested with a block design from the Wechsler Intelligence Scale for Children. The blocks consisted of combinations of three tints of red and three values of gray in three degrees of difficulty. Performance time was measured in seconds. A three factor mixed design analysis of variance was calculated for both the learning disability and control groups. Results indicated that red and white and rose and black required significantly less time to complete than did the other combinations. It was concluded that red x white and black x rose were the more effective tint x value combinations. [...]application/pdfenThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. §107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.Thesisreformatted digital