Three groups of elementary school children, rated on activity and distractibility, were given a visual search task with three levels of display load and tested twice in two conditions of stimulus visibility. Encoding deficit or data limitation did not account for the attentional performance of either hyperactive or somewhat hyperactive subjects.…

Variables and conditions that influence the learning of computer-presented expository text were investigated in this study, in which on-screen underlining was used as a learning aid to increase "mindful" processing of information. The effects of three intervening variables--amount of invested mental effort (AIME), learning style, and…