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51.
To become skillful readers, children have to acquire the ability to translate printed words letter by letter into phonemic representations (phonological recoding) and the ability to recognize the written word forms holistically (orthographical decoding). Whereas phonological recoding is the key for learning to read and useful for recognizing unknown or low-frequent words, orthographical decoding is often more efficient and takes less time, thus facilitating reading processes on the sentence and text level. Several studies with English-speaking children provided evidence for the relevance of the two routes but the question whether and to what extent both word recognition skills contribute to reading comprehension in young German readers requires further clarification. Based on data from a cross-sectional study with German primary school children we investigated whether and to what extent both types of word recognition skills are associated with sentence (N = 666) and text comprehension skills (N = 149) and how these relationships develop from Grade 2 to 4. The results indicate that both phonological recoding skills and orthographical decoding skills are important for reading comprehension skills. Their relative weight does not change across grade levels.  相似文献   
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The kinematics of a badminton racket during a smash stroke was observed in this study with the purpose of investigating stroke dynamics and racket behaviour. Motion capture measurements of the racket during several smash strokes performed by three players of different skill levels indicated a clear increase in racket velocity at impact with increasing skill level. Variations between translational and rotational contributions to the impact speed could also be seen between the players. The advanced player produced a much higher peak angular velocity and also relied much less on translation, with a translational velocity of only 8% of the total velocity versus the 20% for the recreational player. It is proposed that, as an alternative to shuttlecock speeds, racket head speed measurements can be used as an indicator of performance, and can also provide some insight into the interaction between the racket and player.  相似文献   
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ABSTRACT

The World Wide Web has become a major information resource for adolescents (i.e., 10–19 years of age), offering an unprecedented amount of information on virtually any topic. While the Web can potentially offer new learning opportunities, it also presents several challenges. Reading and learning on the Web requires a set of advanced literacy skills that adolescents do not necessarily possess and need to develop in order to effectively deal with the complexity of information encountered online. This special issue brings together five empirical articles and a discussion paper that examine internal and external factors that are beneficial (or detrimental) to adolescents’ reading and learning on the Web, and contribute to explaining how young learners develop complex literacy skills. Theoretically, the special issue contributes to the conceptualization of what researchers refer to as ‘multiple documents literacy’. In practice, it informs researchers and educators of emerging empirical results regarding adolescents’ information behaviour, as well as on instructional strategies that can be effective for developing adolescents’ literacy skills.  相似文献   
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Interventions to increase the endorsement of the growth mindset (the belief that intelligence can be improved with effort) have been successfully implemented in schools. However, they rarely target children and young people with special educational needs and/or disabilities (SEND), a group who are more likely to endorse a fixed mindset, experience lower academic self‐concept and academic resilience, and be at risk of negative stereotyped attitudes. This quasi‐experimental study implemented a 10‐week PSHE programme as well as dedicated lessons with adapted classroom practices, for example, task framing and feedback, to promote the growth mindset message to young people with SEND (N = 18). Analyses of pre‐ to post‐intervention measures demonstrated moderate evidence for the intervention having increased students’ endorsement of the growth mindset, as well as anecdotal evidence for increased academic self‐concept, academic resilience and positive attitudes to disability. However, these effects were not sustained in follow‐up measures conducted 7 weeks post‐intervention. The intervention did not improve students’ academic performance. Although preliminary, findings demonstrate the viability of growth mindset interventions for children and young people with SEND, but suggest that interventions should be maintained for longer‐lasting effects.  相似文献   
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Little is known about the relative cost-effectiveness of the many different types of early intervention services provided to medically fragile infants and their families. This study compared two intensities of services for such infants and their families: (a) a coordinated and comprehensive system of early intervention services initiated prior to discharge from the NICU and designed to transition infants to community-based services were compared with the effects of services (high intensity); and (b) a more traditional hospital follow-up consisting of medical checkups and referrals following discharge (low intensity). High-intensity services resulted in five times more community-based early intervention hours for families and infants when compared with low-intensity services. Annual costs of the high-intensity group were approximately triple the costs of the low-intensity group ($10,814 versus $3,032 per child per year), but there were only a few statistically significant differences on measures of child and family functioning between the groups at 6-, 12-, 18-, and 24months' corrected age. Implications of these findings for research and practice are given.  相似文献   
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OBJECTIVE: The aim of this paper is to examine some of the factors that facilitate and hinder interagency collaboration between child protection services and mental health services in cases where there is a parent with a mental illness and there are protection concerns for the child(ren). The paper reports on agency practices, worker attitudes and experiences, and barriers to effective collaboration. METHOD: A self-administered, cross-sectional survey was developed and distributed via direct mail or via line supervisors to workers in statutory child protection services, adult mental health services, child and youth mental health services, and Suspected Child Abuse and Neglect (SCAN) Teams. There were 232 completed questionnaires returned, with an overall response rate of 21%. Thirty-eight percent of respondents were statutory child protection workers, 39% were adult mental health workers, 16% were child and youth mental health workers, and 4% were SCAN Team medical officers (with 3% missing data). RESULTS: Analysis revealed that workers were engaging in a moderate amount of interagency contact, but that they were unhappy with the support provided by their agency. Principle components analysis and multivariate analysis of variance (MANOVA) on items assessing attitudes toward other workers identified four factors, which differed in rates of endorsement: inadequate training, positive regard for child protection workers, positive regard for mental health workers, and mutual mistrust (from highest to lowest level of endorsement). The same procedure identified the relative endorsement of five factors extracted from items about potential barriers: inadequate resources, confidentiality, gaps in interagency processes, unrealistic expectations, and professional knowledge domains and boundaries. CONCLUSIONS: Mental health and child protection professionals believe that collaborative practice is necessary; however, their efforts are hindered by a lack of supportive structures and practices at the organizational level.  相似文献   
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The role of psychological interpretations in the relationship between low socioeconomic status (SES) and physiological responses was tested. One hundred high school students (ages 15–19) watched videos of ambiguous and negative life situations, and were interviewed about their interpretations. Lower SES was associated with greater threat interpretations during ambiguous (but not negative) situations and with greater diastolic blood pressure and heart rate reactivity. Threat interpretations partially mediated relationships between SES and reactivity. General life events (e.g., lack of positive life events), rather than specific life events (e.g., exposure to violence), partially explained the relationship between low SES and threat interpretations. Results suggest that the larger social environment helps explain how adolescents approach new social situations, which in turn has implications for adolescent physical health.  相似文献   
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The aim of this study was to determine how trajectory clusters of social status (social preference and perceived popularity) and behavior (direct aggression and prosocial behavior) from age 9 to age 14 predicted adolescents’ bullying participant roles at age 16 and 17 (= 266). Clusters were identified with multivariate growth mixture modeling (GMM). The findings showed that participants’ developmental trajectories of social status and social behavior across childhood and early adolescence predicted their bullying participant role involvement in adolescence. Practical implications and suggestions for further research are discussed.  相似文献   
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