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71.
72.
Two childcare workers in a daycare setting were trained in the use of Talking Up and Incidental Teaching procedures, designed to increase children's language. Training was introduced in two stages. The first was a standard training package comprising oral and written instructions, roleplay, modelling and feedback. The second was a modified package comprising a self‐management component (the formulation by childcare workers of specific plans to implement each procedure, and a correspondence training component in which they received feedback on correspondence between their performance and their plans). Following a baseline period in which rates of child‐initiated language were monitored the standard training package was introduced for both Talking Up and Incidental Teaching. Next, the modified (self‐management) training package was introduced, first for Incidental Teaching, and subsequently for Talking Up. Introducing the standard training package resulted in markedly increased use of Talking Up by one worker and Incidental Teaching by both workers. However there was a concomitant decrease in child‐initiated language (and hence opportunities to use Incidental Teaching). When the modified (self‐management) package was introduced for Incidental Teaching, there was a resultant increase in the use of that procedure as well as a marked increase in child‐initiated language. When the modified (self‐management) package was introduced for Talking Up, there was a resultant increase in the use of that procedure but in contrast, there was a decrease in child‐initiated language. With the introduction of each training package, nevertheless, both workers responded to increased proportions of child initiations over baseline. Results are discussed in terms of the confounding effects of the two procedures in this study and their relative usefulness in improving child language.  相似文献   
73.
Thirsty rats were tested on a four-armed radial maze with three water locations and one distinctive taste location (saccharin). Rats that were injected with lithium chloride after drinking a novel saccharin solution visited the saccharin location less than did unpoisoned animals, primarily during the later portions of the test sessions. When saccharin was moved to a different location, previously poisoned rats rapidly avoided the new saccharin location and increased visits to the original saccharin location, now rebaited with water. A similar pattern of learned avoidance and approach was obtained in Experiment 2 with three water locations and one vacant location (no water). These results indicate that: (1) sampling the contents of alternative patches mediates both learning to avoid the location of an aversive substance and returning to a newly viable patch, and (2) avoiding the location of a novel substance after a single poisoning occurs because the location does not contain an edible substance, not because of an aversion conditioned to environmental cues.  相似文献   
74.
Genetic and environmental influences on prereading skills in preschool and on early reading and spelling development at the end of kindergarten were compared among samples of identical and fraternal twins from the U.S. (Colorado), Australia, and Scandinavia. Mean comparisons revealed significantly lower preschool print knowledge in Scandinavia, consistent with the relatively lower amount of shared book reading and letter-based activities with parents, and lack of emphasis on print knowledge in Scandinavian preschools. The patterns of correlations between all preschool environment measures and prereading skills within the samples were remarkably similar, as were the patterns of genetic, shared environment, and non-shared environment estimates: in all samples, genetic influence was substantial and shared environment influence was relatively weak for phonological awareness, rapid naming, and verbal memory; genetic influence was weak, and shared environment influence was relatively strong for vocabulary and print knowledge. In contrast, for reading and spelling assessed at the end of kindergarten in the Australian and U.S. samples, there was some preliminary evidence for country differences in the magnitude of genetic and environmental influences. We argue that the apparently higher genetic and lower shared environment influence in the Australian sample was related to a greater emphasis on formal reading instruction, resulting in more advanced reading and spelling skills at the end of kindergarten, and thus there was greater opportunity to observe genetic influences on response to systematic reading instruction among the Australian twins.  相似文献   
75.
In a repeated shifts experiment four independent groups of thirsty rats received the following treatments: LSLS, LLLS, SSLS, and SSSS, with each letter denoting the magnitude (large or small) of sucrose reward received in each of the four phases of the experiment. While no negative contrast effect (NCE) was obtained in Phase 2, a very reliable positive contrast effect (PCE) was found in Phase 3. Moreover, a significant NCE was obtained in Phase 4. The results were explained in terms of the relative rather than absolute effects of reinforcement.  相似文献   
76.
Using questionnaire data an examination was made of the personal and professional characteristics of 127 regular class (Grade 2‐5) teachers, all of whom had a child in their class whom they believed to be mildly retarded and not coping academically as well as socially in school. Of this group, 53 had referred the child to school psychological services while the remainder had not done so at the time of the study. A set of 28 variables derived from the questionnaire data was subjected to multiple regression analysis in order to examine the predictability of teachers’ referral decisions. Nine significant predictors were identified which together accounted for 35 percent of the variation in referral decisions. Inter‐group contrasts on these measures revealed that referring teachers were more likely to have made previous referrals, had better access to psychologists, were more confident of their ability to identify children who would qualify for special class admission, believed their school policy to b e more encouraging of referrals, were more likely to have made use of special programs, and received more frequent visits from psychologists. Results are discussed in terms of identifying “unserved mildly retarded” children in regular classes.  相似文献   
77.
This continuation of a previous study (Taumoepeau & Ruffman, 2006) examined the longitudinal relation between maternal mental state talk to 15- and 24-month-olds and their later mental state language and emotion understanding (N= 74). The previous study found that maternal talk about the child's desires to 15-month-old children uniquely predicted children's mental state language and emotion task performance at 24 months. In the present study, at 24 months of age, mothers' reference to others' thoughts and knowledge was the most consistent predictor of children's later mental state language at 33 months. Vygotsky's zone of proximal development provides a framework within which maternal talk, first, about the child's desires and then about others' thoughts and knowledge scaffolds children's social understanding.  相似文献   
78.
Abstract Fourteen residential childcare workers were trained to implement both a Practice Reading and the Pause, Prompt and Praise remedial reading procedures in school and cottage settings with 18 low‐progress readers of primary school age. Pause, Prompt and Praise procedures were introduced in each setting only if readers made insufficient progress with Practice Reading alone. Childcare workers displayed major change in their tutoring behaviour between baseline (untrained tutoring) conditions and trained tutoring conditions (Practice Reading or Pause, Prompt and Praise). Readers who received a six week programme of individual reading assistance made significant gains on standardised tests of reading accuracy and comprehension and made accelerated progress through graded book levels, while children in the comparison group did not. Results are discussed in terms of the interactive social contexts provided by the two procedures and of the opportunities for reciprocal gains in skill between readers and tutors with the Pause, Prompt and Praise procedures.  相似文献   
79.
80.

For the first time, the performance of teachers in England and Wales is being directly linked to their pay. This article traces the introduction and implementation of one strand of the UK government's performance-related pay strategy, Performance Management, from the perspective of 12 primary and secondary headteachers of schools located in three different regions of England. The empirical data gathered by the Teachers' Incentive Pay Project team, based at the University of Exeter, suggested while heads may not be against performance-related pay in principle, its practical application is seen as fraught with difficulties. The lack of guidance and clarification regarding funding arrangements, the absence of nationally agreed criteria for judging whether post-Threshold teachers should progress up the upper pay scale, and the potential divisiveness, if it is not effectively implemented, of the scheme in a culture that depends on co-operation and collaboration, meant that heads were anticipating the implementation of the link between pay and performance with some trepidation.  相似文献   
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