Two research experiments were conducted to investigate the characteristic of overselective attention of autistic children, which has proven detrimental to learning when prompt fading techniques are used. It was found that autistics often respond exclusively to the prompt (the extra guiding stimulus), and fail to learn about the training stimuli.…

Social inadequacy and lack of social cooperation is one of the defining characteristics of mental deficiency, yet there have been comparatively few investigations into how such children respond to each other. Of even greater significance is the finding that among the reported studies investigating social cooperation between mentally deficient…