Does problem-based learning improve residents' self-directed learning?
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OBJECTIVE: To test the feasibility of the technique of "morphing" for body image assessment purposes and to investigate whether females with anorexia nervosa (AN) categorize other female's body sizes similarly to controls. METHOD: A morphing movie showing the transformation of a thin woman into an obese woman was presented. Females with AN and thin controls selected the sizes corresponding to the transitions between the body size categories thin, normal, fat, and obese. They were instructed to look at the woman in the movie as themselves (Self) versus someone else (Other). RESULTS: The AN group chose significantly lower transitions associated with the categories thin, normal, fat, and obese under the Self instruction than controls. Similarly, they selected lower settings for all but the obese category when looking at the body as someone else's. It was concluded that females with AN display a harsher judgment not only of their own body size and shape, but also of that of another woman, than women without an eating disorder. DISCUSSION: The morphing instrument was found to be sufficiently realistic, detailed, and sensitive for its intended purposes.
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Hospitalized brain-damaged patients were Ss in a study designed to evaluate the effectiveness of a treatment technique used with contingent reinforcement to facilitate acquisition and retention of environmentally relevant information. Ss were divided into three groups that were equated diagnostically and demographically. Group I received the treatment technique with contingent material and verbal reinforcement. Group II received the treatment technique with only contingent verbal reinforcement, and Group III was a control. Both treatment groups showed significant acquisition of the experimental information, and 1 week after training the two treatment groups showed no significant loss of acquired information. None of the groups showed any significant change in ward behavior during the experiment. It was concluded that the treatment technique used with contingent reinforcement can be used in the retraining of memory in brain-damaged patients.
Used Carkhuff's Indices of Communication and Discrimination along with other measures to assess the level of communication and discrimination skills at various stages of communication training. Ss were 14 male and 9 female students in a psychology of adjustment class. Results indicated that: (a) treatment and control groups did not differ in communication skills before they went through training; (b) the treatment group offered higher levels of communication skill after it had completed training than did the control group before it began training; (c) the control group offered levels of communication skill equal to those of the treatment group once the control group also had completed training. A similar pattern was found for discrimination skill. The effects of training cannot be dismissed as paper-and-pencil artifacts because others who were ignorant of the growth conditions concept reacted differently in brief unstructured interactions to those who had completed training.
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This paper describes a valuable tool for medical teaching. It is a detailed description of a method to present transparent sections embedded in plastic, placed in a self-instruction module by means of a vertical storage system. It includes the use of three-dimensional graphic reconstructions. Other applications are also indicated.
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