A theoretical situation-person-interactions model of learning and performance is presented, and applications of the model through the Instrumental Language Functions (ILF) approach with preschool normal and older variously handicapped children and adults are described. The model is graphically depicted and discussed according to such aspects as…

This research study evaluated the effects of memory demand on sustained attention, by varying the time interval between the presentations of stimuli in a cognitive vigilance task. Sixteen retarded and 16 nonretarded adult observers performed four 60-minute visual vigilance tasks in which single digits were presented sequentially and successively…

To determine variations in cognitive characteristics, 10 nonretarded men with infantile autism, residual state, were compared with 15 severely dyslexic men and 25 controls on a neuropsychological test battery. The dyslexics showed a reduced digit span and the autistic group exhibited impaired problem-solving skills. (Author/JDD)

Potential benefits for learning that the outdoors may hold have been brought into increased focus in the UK by the recent introduction of a manifesto for learning outside the classroom (DfES, "Learning outside the classroom: manifesto"; Nottingham, Department for Education and Skills, 2006). This article draws on two recent studies of…

The booklet, fifth in a series, examines the assessment and remediation of reading difficulties in adults with learning disabilities. The section on assessment concerns touches upon reading recognition difficulties, and includes a list of questions for investigating auditory, tactile, and visual processes. Reading comprehension difficulties are…