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971.
Fuchs LS Fuchs D Hamlet CL Powell SR Capizzi AM Seethaler PM 《Journal of learning disabilities》2006,39(5):467-475
The purpose of this pilot study was to assess the potential for computer-assisted instruction (CAI) to enhance number combination skill among children with concurrent risk for math disability and reading disability. A secondary purpose was to examine the effects of CAI on spelling. At-risk students were assigned randomly to math or spelling CAI, which they received in 50 sessions over 18 weeks. Acquisition and transfer effects were assessed. The results indicated that math CAI was effective in promoting addition but not subtraction number combination skill and that transfer to arithmetic story problems did not occur. Spelling CAI effects were reliable on acquisition and transfer spelling measures, with small to moderate effect sizes on transfer to reading measures. These results provide the basis for additional work with larger samples. 相似文献
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973.
Douglas R. Pierce 《College Teaching》2013,61(4):278-279
974.
Douglas S. Grant 《Learning & behavior》1986,14(3):267-275
Pigeons were trained in an intratrial interference preparation in which a horizontal or vertical line was presented for 1 sec immediately following termination of a sample (red or green). Two samples were presented successively on interference trials. Choice of the comparison corresponding to the second (target) sample was designated correct and was reinforced, and choice of the comparison corresponding to the first (interfering) sample was designated incorrect and was not reinforced. Control trials involved the presentation of a single, target sample. A horizontal line was presented upon termination of an interfering sample, and a vertical line was presented upon termination of a target sample. The results of three experiments led to the conclusion that the horizontal line acquired and capacity to reduce postperceptual processing (rehearsal) of information derived from an immediately preceding sample stimulus. These findings include (1) convergence of accuracy on control and interference trials as training progressed, (2) a reduction in accuracy on control and especially on interference trials when the correlation between sample type (interfering or target) and cue type (horizontal or vertical) was reduced to zero, (3) higher accuracy (i.e., less interference) when the horizontal rather than the vertical line followed the interfering sample, and (4) higher accuracy on single-sample trials when the vertical rather than the horizontal line followed sample presentation. 相似文献
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976.
Gordon and his associates (e.g., Gordon & Feldman, 1978,Learning and Motivation,9, 164–178; Feldman & Gordon, 1979,Learning and Motivation,10, 198–210; Gordon, Taylor, & Mower, 1981,American Journal of Psychology,94, 309–322) have reported that a reactivation treatment significantly enhances memory for prior forcings in delayed alternation using rats. The reactivation treatment consisted of placing the rat in the goal arm to which it had been forced previously on that trial. The confinement occurred in the absence of food and was 5 sec in duration. The present experiments explored the possibility that the treatment might influence performance by affording an opportunity for new information to be acquired during the confinement period. Evidence consistent with this view was found in that (1) accuracy was reduced on trials in which the initial event was a 5-sec confinement to the arm opposite that of the target forcing and (2) increasing the duration of the confinement from 5 to 15 to 45 sec increased the magnitude of this effect. It was concluded that the effectiveness of goal-arm confinement as a reactivation treatment does not necessarily implicate processes of retrieval in delayed alternation behavior. 相似文献
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979.
Douglas Allchin 《Science & Education》2012,21(9):1263-1281
The new Minnesota Case Study Collection is profiled, along with other examples. They complement the work of the HIPST Project in illustrating the aims of: (1) historically informed inquiry learning that fosters explicit NOS reflection, and (2) engagement with faithfully rendered samples of Whole Science. 相似文献
980.
Douglas Falc?o Dominique Colinvaux Sonia Krapas Glória Querioz Fátima Alves Sibele Cazelli 《International Journal of Science Education》2013,35(8):951-978
A models and modelling approach was adopted to investigate the educational potential of a science museum exhibition. It focused on patterns of relationship between the teaching models proposed by designers and students models in regard to four exhibits concerning astronomical cycles. Student’s models were elicited by interviewing 21 pupils selected from among those who showed a change of their models between pre‐visit and post‐visit questionnaires. Four patterns of relationship were identified, ranging from low to high degrees of convergence between designers and students. Exhibits designed by fragmenting the phenomena (analytical approach) tend to promote less convergent patterns than exhibits that maintain the complexity of the phenomena (synthetic approach). We argue that the two approaches are complementary: without synthetic models visitors find it difficult to identify the phenomenon addressed by analytical models, while the latter may bring to visitors’ attention aspects that otherwise might be hidden by the complexity of synthetic models. 相似文献