Field independence, visual analysis, and spatial visualization were investigated and social communication skills were assessed in two groups of 25 first graders (chosen for either high or low verbal ability). (Author/PHR)

Two time-delay conditions for teaching complex visual discriminations to 14 normal preschoolers, 12 with mild mental retardation, and 11 with moderate mental retardation were compared. Results indicated that for all populations and stimuli, time delay of multiple dynamic distinctive-feature prompts produced learning, while time delay of the single…

Investigates the dominance of global versus local visual properties in four-month-old infants as a function of individual differences in fixation duration. Suggests that long-looking infants process visual information more slowly than short-looking infants, and there may be qualitative differences in the manner in which the two groups of infants…

This study examined the discriminability of lexigrams versus printed words with eight adults with severe mental retardation. A match-to-sample teaching paradigm was used. Subjects discriminated lexigrams better than printed letters and were more successful at matching lexigrams to referent objects than matching printed words to referent objects.…

Research supported by Public Health Service Special Fellowship 15,590.

RECENT RESEARCH ON THE DISCRIMINATION PROCESS INDICATES THAT ERRORLESS LEARNING CAN OCCUR IF STIMULI ARE CAREFULLY PROGRAMED SO THAT THEY ARE DISSIMILAR AND GRADUALLY BECOME MORE SIMILAR AS TRAINING PROCEEDS. TO ASSESS THIS APPROACH IN TEACHING THE LOWER- CASE LETTER B AND D WITH KINDERGARTEN SUBJECTS, TWO SETS OF STIMILI CONSTITUTED THE FIRST…

This self-instructive workbook focuses on the identification of a set of classification abilities related to learning. It utilizes written materials, videotapes, and students, and is supplemented by a program and support system which includes instruction, teaching experiences for practice, discussion, and individual conferences. The three major…

Describes ways for developing visual imagery in the early childhood education program, preparing children for discrimination learning and reading instruction. (RL)

Following a 10-day period of daily assessment on the Goodenough Draw-A-Person Test and a visual matching task, a seven and a half year-old female with cerebral palsy received eight days of half-hour instruction targeting each skill area. Continued daily assessment during instruction demonstrated substantial improvement in test scores. (JW)

This study measured the differential effects of simplified and typical verbal antecedents on acquisition of picture discriminations for four preschool children with autism. During baseline probes, participants emitted no correct selection responses to pictures of common stimuli during either simplified or typical verbal antecedent conditions.…

Research findings are reviewed concerning infants' abilities to discriminate parents from other social stimuli during the first 6 months of life. The term "discrimination" is used to signify the ability of infants to respond differentially to two or more social stimuli. Studies reviewed are categorized in terms of the visual, auditory,…

The ability of infants to recognize their mothers as distinct from others was investigated by presenting 6 boys and 6 girls at two age levels (5 weeks and 13 weeks) with the following six sequential stimulus conditions: (1) mother's face (MO); (2) stranger's face (SO); (3) mother's face with stranger's voice (MS); (4) stranger's face with mother's…

Two factors of predicted learning disorders were investigated: (1) inability to maintain appropriate classroom behavior (BEH), (2) perceptual discrimination deficit (PERC). Three groups of first-graders (BEH, PERC, normal control) were administered measures of impulse control, distractability, auditory discrimination, and visual discrimination.…

Four studies with infants and preschool-age children examined various pattern perception tasks considered to be related to the perceptual basis of the development of reading skills. Study 1 used 28 neonates to test the hypothesis that supplemental stimulation (rocking, patting, holding) has measurable effects upon attention to visual patterns.…