Proportion compatible manipulations are often used to index strategic processes in selective attention tasks. Here, a subtle confound in proportion compatible manipulations is considered. Specifically, as the proportion of compatible trials increases, the ratio of complete repetitions and complete alternations to partial repetitions increases on…

Contrasts a fixed-rate presentation list with one in which half the items in a single list were presented at a fast rate and half at a slow rate during paired associative learning with 24 children (aged 8 to 22 years) who were diagnosed with having an attention deficit disorder. (HOD)

The study compared the attention-directing behaviors of 15 autistic children, 14 children with developmental language delay, and 13 young normal children. Although the autistic children's behavior was most unlike that of the other groups, autistic children did not produce more attention-directing behavior when a high degree of adult direction was…

Reports on an experiment that examined the independent effects of television content (violence) and television formal features (action) on preschool boys' attention to programs and their postviewing social behavior. Shows rapid character action facilitated visual attention to the programs and that television action level had no systematic effects…

Direct observational data were collected on the behavior of 26 elementary school-age boys with fragile X syndrome (FXS), the most prevalent inherited cause of mental retardation, during classroom academic activities. Findings indicated classroom engagement comparable to that of peers and not related to intrasubject variables such as severity of…

Assessment of 84 children diagnosed with controlled or uncontrolled complex partial or absence seizures but no documented learning or emotional disorders found no influence of seizure type on achievement test scores or behavioral ratings. A main effect was found for degree of control, with poorly controlled seizures correlating with lower reading…

Tested two models of the relationship between a hypothetical attachment mechanism and an incompatible motivation (a tendency to explore) by pitting two levels of attachment motivation against two levels of exploratory motivation among 15- to 18-month-old infants, alternating freely between play with novel toys at one end of the room and visits…

Two studies with 50 students (ages 1 to 21) with severe, profound, and multiply handicapping conditions examined similarities and differences in behavior state conditions. Among findings were that profile groups could be identified by behavior state patterns and that students spent an average of 42 percent of classroom time in state conditions not…

Decribes age trends in television viewing time and visual attention of children and adults videotaped in their homes for 10-day periods. Shows that the increase in visual attention to television during the preschool years is consistent with the theory that television program comprehensibility is a major determinant of attention in young children.…

This study compared the clinical efficacy of a dopaminergic antagonist (amisulpride) and a dopaminergic agonist (bromocriptine) with 9 children (ages 4-13) with autism and probable severe mental retardation. The amisulpride acted preferentially on specific autism symptoms and the bromocriptine on motor hyperactivity and attention symptoms.…

This paper presents four studies which illustrate the variety of deficits in executive function displayed by individuals with autism. The concept of executive function is used to encompass all the mental operations which are involved in self-reflective and goal-directed behavior. Four forms of executive control are addressed: mental disengagement,…