Describes a study of second, third, and fourth grade children in Israel to determine if computer assisted instruction is utilized differently by different groups of students (younger and older), and extent to which effort expenditure (total amount of time a child is engaged at the computer) is related to achievement. (MBR)

Examines modification of mother-child instruction as a function of age of learner in middle childhood (six versus eight years). Instruction and learning were compared on two tasks designed to simulate school and home activities. Results show more intense instruction of all kinds for the younger children in the school task. (RH)

Elementary, secondary, and adult students taking private piano lessons were on task for at least 85 percent of the lesson time. Teachers gave frequent reinforcement for academic behavior. While approval/disapproval ratios were not as high as the recommended 80 percent approvals, no evidence of effects on student attentiveness was apparent. (RM)

Examines the engaged rates of children in kindergarten to fourth grade for differences and makes some assessment of attention span as it relates to engaged rate and achievement. (HOD)