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Analysis of Covariance with age as the covariate indicated significant differences between the groups on the Vineland Adaptive Behavior Composite (F (3,33) = 22.34, p $<$.0001). Post hoc analyses suggested significantly stronger (p $<$.001) overall adaptive skills for control and language impaired than for mentally retarded subjects. A three (group) by four (Vineland subdomain) MANCOVA with age as the covariate indicated a significant effect by group on the combined dependent variables (F (2,33) = 5.80, p $<$.0001). Univariate and post hoc comparisons indicated consistently weaker skills for mentally retarded subjects, although the socialization mean scores were not significantly different for the retarded and language impaired subjects. The language impaired subjects evidenced significantly weaker skills than did the controls on only one Vineland Domain: Communication. A discriminant function analysis was also employed. This analysis indicated that on the basis of the Vineland profile, 81.82% of the Mentally Retarded, 76.92% of the language impaired and 61.54% of the control group were correctly classified. Overall, results of this study suggest that the Vineland can differentiate between the language impaired and mentally retarded preschoolers. (Abstract shortened by UMI.) Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1991 .H657. Source: Masters Abstracts International, Volume: 30-04, page: 1504. Thesis (M.A.)--University of Windsor (Canada), 1991.
Hope, Penelope A., "The utility of the Vineland Adaptive Behavior Scales: Survey form for differentiating between mentally retarded and language impaired pre-school age children." (1991). Electronic Theses and Dissertations. 4345.