The scores of 15 children (ages 5-10) with learning disabilities on the Test of Visual Perceptual Skills and the Developmental Test of Visual Motor Integration revealed that visual perception and visual motor skills are separate, though related, functions and that visual motor scores were significantly lower than visual perception scores. (JDD)

The study evaluated the construct validity of five perceptual traits with simulated work samples from the Jewish Vocational Service Work Sample System. Results with 36 learning disabled adolescents indicated that simulated work samples can be used as a diagnostic instrument for assessment of perceptual abilities in a vocational setting. (Author/DB)

The study examined the process by which diagnostic data on children thought to have learning disabilities (LD) are generated and used. Emphasis was placed on the validity of test instruments in common use in the field. Since part of the practical validity of any instrument used to identify an LD child rests on the validity of the LD construct…