The purpose of this review paper was to conduct a literature review on the effects of colors on learners' learning cognition and emotions. Findings of this review could inform practitioners about better color choices they could use to present information and design learning materials in ways that decrease learners' cognitive load, increase their…

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 whether Downs Syndrome (DS) persons' recall could be improved by procedures that minimized auditory and visual distractions during auditory memory tasks, 16 DS, 12 non-DS mentally retarded and 12 non-mentally retarded persons (mean ages 16, 16, and 5 years, matched for mental age) listened to, looked at, and tried to remember digit…

The short-term memory of 24 retarded and 24 nonretarded individuals, aged 10 to 14, under conditions of restricted cognitive strategy use was investigated. An attempt was made to determine whether short-term memory difficulties of persons with mental retardation are caused by deficits in voluntary cognitive strategies, such as the organization and…

A study investigated the concept of visual memory and its relationship to the spelling process by examining the attempts of a group of Australian elementary school children to spell a selection of words containing silent consonants. Subjects, 360 second, third, and fourth grade students divided into three spelling ability groups, were given 20…