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Belfiore Phillip J. Browder Diane M. Mace Charles 《Journal of Behavioral Education》1994,4(2):217-226
We examined choice and preference in four adults with profound mental retardation within the context of a community-based and center-based location. Prior to the preference analysis, an independent selecting response was empirically assessed and validated for each adult. Results of the preference analysis showed that in the community site there was a higher cumulative frequency of choice-making responses towards beverages for all participants, and an indication of beverage preference for two of the four participants. Conversely, in the center-based setting, there were fewer responses made towards the beverages, and no indication of preference for any of the four adults. These results remained consistent during maintenance checks at 2, 4, 6, and 8 weeks post-intervention. 相似文献
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Directed rehearsal was used to improve the teaching skills of six preservice elementary physical education teachers during a teaching practicum. The teaching skills lesson introduction, lesson closure, task presentation, and general and specific subject-matter feedback were assessed using a multiple baseline design across behaviors for each teacher. Social validity, in the form of the acceptability of directed rehearsal as a teacher training intervention, was also assessed using a questionnaire. Directed rehearsal was effective in improving the teaching skills of the teachers to either 100% correct implementation or, in the case of subject-matter feedback, to an established rate. In addition, the intervention was acceptable to the teachers and the practicum instructor. These results extend both the error correction and the research on teacher education literatures. 相似文献
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Andrès U. Vargas Janice A. Grskovic Phillip J. Belfiore Janet Halbert-Ayala 《Journal of Behavioral Education》1997,7(1):13-23
We examined the effects of error correction on spelling accuracy of culturally and linguistically diverse students enrolled in summer Migrant Education. In an error correction strategy, students spelled a word, viewed a correct model, and corrected specific errors. In a traditional strategy, students wrote words three times each while viewing a correct model. Words were presented in Spanish or English. Results showed that students with and without learning disabilities, whose primary language was English, correctly spelled more English words in the error correction condition than the traditional. Students whose primary language was Spanish correctly spelled Spanish words equally well in both conditions, possibly because of the phonetic nature of the Spanish language. 相似文献
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Peggy T. Ackerman Phillip J. Holcomb David S. McCray Roscoe A. Dykman 《Integrative psychological & behavioral science》1982,17(1):30-41
Clinically referred children, diagnosed as having learning or attention disorders, with or without hyperactivity, were found to vary widely on a measure of nervous system sensitivity recommended by the Pavlovian investigator Vasilev. That is, the children were contrasted on their mean press and release reaction times (RTs) to four tones, ranging from soft (55 db) to very loud (100 db), with the expectation that some would be able to maintain a parallel separation of press and release RT gradients across all intensity levels (strength), whereas others would show convergence or overlap of the gradients at higher intensities (weakness). Contrary to expectation, girls did not have weaker or more sensitive nervous systems than boys, although the girls rated themselves as less tolerant of intense stimuli. Significantly more of the children diagnosed as hyperactive had weaker nervous systems. The boys also participated in a blind crossover study contrasting placebo and methylphenidate effects; the prescribing physician, who was not informed of the child’s nervous system classification, adjusted the dosage levels so that subjects with weaker nervous systems were titrated at higher dosage levels than those with stronger nervous systems. Gray (1964) suggested an explanation of this paradox, i.e., that the weak nervous system requires a more intense stimulus than the strong to reach the threshold of concentration (or focused attention), whereas for other thresholds the strong requires a more intense stimulus than the weak. Gray’s theory was further supported by the finding that children typed as weak (unmedicated) did not show as great facilitation in RT with reward (moderate stimulus) as did those typed as strong. 相似文献
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Roscoe A. Dykman Peggy T. Ackerman D. Michael Oglesby Phillip J. Holcomb 《Integrative psychological & behavioral science》1982,17(3):150-157
Heart rate and skin conductance measures, recorded during a visual search task, were compared for hyperactive, reading-disabled, hyperactive reading-disabled, and control elementary school boys. As shown in past work, basal autonomic levels did not statistically differentiate groups. In all groups, heart rate levels increased with task complexity, but more so on reward than on nonreward trials. In the intertriai interval, heart rate decelerated consistently when subjects were anticipating stimuli associated with reward, but when reward was uncertain, heart rate accelerated slightly or stayed the same. Control subjects exhibited anticipatory heart rate deceleration more consistently than did clinical subjects, especially the solely hyperactive ones. Skin conductance levels first decreased, then rose as task complexity increased, but the groups did not differ on this measure. A conditioning model is outlined to explain directional changes in heart rate. 相似文献