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171.
Pamela W. Burris Beth M. Phillips Christopher J. Lonigan 《Journal of Education for Students Placed at Risk》2019,24(2):154-173
This study examined variability of the home literacy environment (HLE) using multiple measures among families of low SES. The relations of the measures to each other and to children’s early oral language skills and print knowledge were reported. Considerable variability of the self-reported HLE items and the Children’s Title Checklist (CTC) but low correlations were found among items. Children’s expressive language skills were predicted by the CTC. The number of storybooks in the home predicted variance within children’s receptive vocabulary. Concepts about Print (CAP) scores were predicted by the primary caregivers’ frequency of shared reading and the age when parents began reading to children. Children’s letter name scores were not associated with any of the HLE measures in this study. The research provides additional information about the HLE within the homes of low SES using multiple measures and how they relate differentially to children’s early language and literacy skills. 相似文献
172.
Pamela Liebeck 《Educational Studies in Mathematics》1990,21(3):221-239
In introducing pupils to directed numbers, the number line is often used as an intuitive model. The C.S.M.S. project, however, recommended that for the teaching of integer subtraction the number line should be abandoned. Here an alternative model is set up and presented to children. Their response over three lessons is described and their learning is assessed in a post-test. Their response and performance is compared to that of a similar group of children learning through a number line model. The two models are compared from practical and theoretical viewpoints. 相似文献
173.
Loughran John Milroy Philippa Berry Amanda Gunstone Richard Mulhall Pamela 《Research in Science Education》2001,31(2):289-307
This paper examines science teachers' pedagogical content knowledge and ways in which that knowledge might be captured, articulated and portrayed to others. The research from which this paper is drawn has involved interviews with experienced science teachers in an attempt to make the tacit nature of their practice explicit. Initially, case methodology was envisaged as being a way of documenting these teachers' pedagogical content knowledge. However, over time, the form of knowledge and information that we were gathering and attempting to portray extended beyond that which could reasonably be described as being case-based. Hence we have developed an approach to articulation and portrayal based on what we call the CoRe (Content Representation) – which represents the particular content/topic of the science teaching – and PaP-eRs (Pedagogical and Professional experience Repertoire) – which help to illuminate specific aspects of the CoRe and therefore offer insights into pedagogical content knowledge itself. The results of this study offer new ways of conceptualising what pedagogical content knowledge is and how it might be captured, documented and disseminated. 相似文献
174.
This study investigated linkages between aspects of emotional competence and preschoolers' social skills with peers. Whether parental emotion socialization practices contributed to the prediction of social skill once emotional competence was statistically controlled was also of interest. Eighty-one predominantly Caucasian preschoolers were videotaped as they participated in three same-sex triadic peer situations. Four peer variables were coded from the videotapes: social initiations, the frequency with which children were the targets of positive social bids, non-constructive anger-related reactions, and prosocial acts. The emotional competence measures included situation knowledge, children's explanations of emotions, positivity of emotional expression during peer play, and emotional intensity. Maternal anger directed at the child was the measure of emotion socialization. Results revealed that the emotional competence variables were meaningfully related to the peer variables and that, for non-constructive anger reactions, maternal reports of anger explained unique variance. Results are discussed in terms of how emotional competence and emotion socialization contribute to peer behavior and the importance of designing and implementing affective intervention programs for young children and their families. 相似文献
175.
Graham Linda J. White Sonia L. J. Tancredi Haley A. Snow Pamela C. Cologon Kathy 《Reading and writing》2020,33(8):1895-1923
Reading and Writing - In this longitudinal study, the word-level reading trajectories of 118 children were tracked alongside teachers’ reported concerns and types of support provided through... 相似文献
176.
In two experiments with rats, we examined the developmental emergence of conditioned freezing following trace and short-delay
conditioning and also included a long-delay comparison group. In the short-delay and trace groups, a 10-sec conditioned stimulus
(CS) was paired with shock; for the trace rats, a 10-sec trace interval followed CS termination. The long-delay groups received
a 20-sec CS paired with shock, to equate for the longer interstimulus interval (ISI) in the trace group. Trace conditioning
emerged later in development than did short-delay conditioning (see Moye & Rudy, 1987). Importantly, long-delay conditioning
emerged in parallel with trace conditioning, at a similar time, and with similar strength. These findings suggest a role for
the longer ISI, as opposed to the unfilled gap per se, in the late emergence of trace conditioning. The role of the hippocampus
in trace conditioning and the possibility that young rats encode the temporal relationship between CSs and unconditioned stimuli
are also considered. 相似文献
177.
178.
Computer-mediated discussion lists, or list-servers, are popular tools in settings ranging from professional to personal to educational. A discussion list on genetically modified food (GMF) was created in September 2000 as part of the Forum on Genetically Modified Food developed by Science Controversies: Online Partnerships in Education (SCOPE), an educational project that uses computer resources to aid research and learning around unresolved scientific questions. The discussion list "GMF-Science" was actively supported from January 2001 to May 2002. The GMF-Science list welcomed anyone interested in discussing the controversies surrounding GMF. Here, we analyze the dynamics of the discussions and how the GMF-Science list may contribute to learning. Activity on the GMF-Science discussion list reflected some but not all the controversies that were appearing in more traditional publication formats, broached other topics not well represented in the published literature, and tended to leave undiscussed the more technical research developments. 相似文献
179.
The nature of lead users and measurement of leading edge status 总被引:1,自引:1,他引:1
“Lead users” are defined as being at the leading edge of markets, and as having a high incentive to innovate. Empirical research has shown the value of lead user need and solution data to new product development processes. However, the nature of the lead user construct itself has not been studied to date. In this paper we fill this significant gap by proposing and evaluating a continuous analog to the lead user construct, which we call leading edge status (LES). We establish the validity and reliability of LES and examine the characteristics of users having high levels of this variable. We also offer a first exploration of how LES is related to traditional measures in diffusion theory such as dispositional innovativeness and time of adoption (TOA). We find a strong relationship and explain how users with high LES can offer a contribution to both predicting and accelerating early product adoption. 相似文献
180.
Teachers' instructional practice is pedagogically vulnerable when not anchored within detailed and comprehensive observation and understanding of students' immediate responses during instruction. Professional noticing ability, then, is central to, and integrated within, teachers' ability to provide instruction appropriately adapted to students' immediate needs. This article explicates a model of expert noticing for literacy instruction and relates this model to the characteristics of microadaptive teaching decisions. Characteristics, for example, that distinguish expert from less expert noticing during literacy instruction include detailed hypothesizing, breadth and depth of elaboration, observation of learners' metacognitive behavior, and identification of pivotal events. Teacher noticing ability is generally not related to years of experience, but can be learned through participation in sustained, multilevel professional development with an explicit focus on noticing ability. This complex learning integrates teachers' pedagogical and content knowledge with observation of student behaviors, and supports teachers' learning from practice. 相似文献