Using data from the Special Education Elementary Longitudinal Study (SRI International, 2002), this study estimated reading growth trajectories in a nationally representative sample of 3,421 students with disabilities ages 7 to 17 representing 11 federal disability categories. Reading achievement in all disability categories increased with age,…

An evaluation of 195 physically handicapped children found 43 percent with some degree of mental retardation, 25 percent with psychological maladjustment, and 20 percent from families experiencing problems adjusting to the handicapped child. Incidence of hearing loss (7 percent), speech problems (37 percent), and of five categories of physical…

This study compared interstate variability of prevalence rates for special education categories from 1984 to 1985 through 2001 to 2002, using the coefficient of variation (CV), which is designed to compare variances when the means of the groups compared are radically different. The category of learning disabilities, presumed by many to be the most…

Reported were scores on the Cattell Infant Intelligence Scale, the Stanford Binet Intelligence Scale (Form L-M), the Quick Screening Scale of Mental Development, and the Vineland Social Maturity Scale achieved by 102 retarded, cerebral palsied infants who were in a hospital rehabilitation program. (GW)