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The purpose of this study was to increase knowledge through research in the area of operant management of chronic back pain, using a strong experimental design. Reinforcement was made contingent on rate of walking, and feedback about progress was provided at certain intervals during each observation session. The changing criterion experimental design for a(More)
Recent studies have shown the critical role of the ability to actively select visual information (attentional focusing) in developmental dyslexia. A program specifically devised by Geiger and Lettvin to train selection of visual information and small-scale focusing has been tried out with a group of 16 dyslexic children. The results after a three­ months(More)
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