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641.
Reading and Writing - Strategies instruction has improved the writing of high school struggling writers in previous studies, including students with disabilities. This study examined the... 相似文献
642.
Water-deprived rats served in seven conditioned lick suppression experiments designed to assess the effects on responding to a target CS of a series of unsignaled USs given in the training context following completion of CS training. Such treatment has been hypothesized to increase (inflate) the associative strength of the background cues from training (putatively, the CS’s comparator stimuli), thereby reducing responding to excitatory CSs and increasing the inhibitory potential of inhibitory CSs. Although posttraining extinction (deflation) of the CS’s comparator stimuli usually decreases inhibitory potential and increases excitatory potential of the target CS, posttraining inflation of the comparator stimuli had no effect on either excitatory responding to the target CS or summation test performance indicative of conditioned inhibition. This outcome was consistently obtained across a number of training, inflation, and test conditions selected to maximize sensitivity to any possible effects of comparator inflation. Implications of these null results for the comparator hypothesis of conditionedresponse generationare discussed. 相似文献
643.
Contribution of conditioned opioid analgesia to the shock-induced associative US-preexposure deficit
The modulatory effect of conditioned opioid analgesia on learning in the US-preexposure paradigm was examined in three experiments using water-deprived rats. In Experiment 1, it was found that tailflick latencies increased immediately after the rats were exposed to a context in which footshock had previously been administered. Prolonged nonreinforced exposure to the context attenuated this analgesia. Experiment 2 tested the possibility that the effectiveness of CS-US pairings in an excitatory context might be reduced by a conditioned analgesic response that lessens the perceived intensity of the US. Administration of the opiate antagonist naloxone prior to CS-US pairings in the excitatory context reduced the US-preexposure deficit—that is, the retarded response to the CS—but did not eliminate it, suggesting that part of the observed deficit resulted from conditioned activation of the endogenous opioid system. In Experiment 3, it was found that exposure to the excitatory context immediately prior to a CS-US pairing in an associatively neutral context resulted in a conditioned response deficit, indicating that the analgesia elicited by the excitatory context was sufficient to reduce US effectiveness. In combination with other recent reports, these results suggest that the associative deficit resulting from preexposure to a shock US may, in certain instances, represent the sum of several different associative processes. 相似文献
644.
Kathy Hall Beryl Webber Steve Varley Vanessa Young Peter Dormant 《Cambridge Journal of Education》1997,27(1):107-122
This paper is based on semi‐structured interviews with 59 Year 2 teachers across 45 schools in one LEA. It documents their practice of and attitudes to teacher assessment and it proposes a developmental model which describes and explains their approaches. The assessment of process skills is analysed and the effects of assessment on children's learning and teachers’ practice are discussed. The manageability of teacher assessment is also examined. The findings are linked with previous and subsequent studies on teacher assessment and suggestions for further research, based on these outcomes, are offered. 相似文献
645.
In this invited article, we present an ongoing research program in the area of writing. Although this program has focused on students with learning disabilities (LD) and other struggling writers, it has also concentrated more broadly on issues involving writing development and general writing instruction. One purpose of this review was to share our basic findings in each of these areas, as they have important implications for teaching writing to students with LD. Another purpose was to illustrate how an ongoing research program develops and grows over time. To make this process more concrete, we employed several different literacy devices, including drawing an analogy between the development of our research program and the development of the story line for Star Trek II: The Wrath of Khan. Our final purpose was to describe the research we plan to do in the near future. 相似文献
646.
Abstract At the turn of the century some 200,000 one‐teacher schools were in existence in the United States. This number now stands at approximately 380. A study of these schools found them to be staffed with qualified teachers with extensive experience. The teachers are typically female and live near where they teach. Teachers work an average of nine hours a day teaching all subjects including physical education and music. Other activities include custodial duties, driving the school bus, performing secretarial functions, ordering supplies, and lunch supervision. Student enrollment has a present average level of 9.4, a level that helps teachers meet the needs of each student. Low enrollment may also create concern about school closures in the future. Teachers indicate that they use individualized instruction, peer tutoring, and cooperative learning. They have few discipline problems and no violence or drug issues. 相似文献
647.
648.
Steve Downey 《TechTrends》2011,55(6):33-41
Today virtual world instruction faces many of the same educational challenges faced by Web-based instruction during its infancy.
There is a lot of jargon and visions of the future being bandied about, but as Hirumi et al. note in the May/June and July/August
2010 issues of TechTrends there little understanding of how to apply pedagogical practices in video game settings. i-MMOLE is a research-based instructional design framework created specifically for
designing instruction that incorporates virtual world environments. To date, i-MMOLE has been utilized by university students
in the creation of more than 300 lesson plans across multiple disciplines and age groups. This article describes the underlying
foundation of this framework and how to utilize i-MMOLE in the creation of one’s own virtual world based instruction. 相似文献
649.
650.
Steve Olivier 《Quest (Human Kinetics)》2013,65(3):196-204
Maltreatment of subjects has led to the introduction of an ethics review process for research involving humans. There is a feeling that the bureaucratization of the process is too restrictive and that it may be hampering research. The function, duties, and effectiveness of ethics committees are examined, and it is contended that there are problems with the way that committees operate. The remit of committees needs to be clarified, and the paper presents guidelines for making decisions on ethical matters, with deontological considerations taking precedence over consequentialist ones. It is concluded that the functions and processes of ethics committees need to be modified. 相似文献