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151.
Licking behavior of rats maintained by lick-contingent water reinforcement, produced electric shocks under three conditions. Shock occurred 1 sec before, simultaneous with, or 1 sec after water reinforcement. Rates of licking rose above prepunished levels at .2-, .4-, and .6-mA intensities but were suppressed at .8 mA for all three groups. Facilitation and suppression effects were the same for the three pairing conditions. Discriminative and elicited functions of shock did not appear to account for this facilitative effect. 相似文献
152.
Promoting general metacognitive awareness 总被引:28,自引:0,他引:28
I describe two aspects of metacognition, knowledge of cognition and regulation of cognition, and how they are related to domain-specific knowledge and cognitive abilities. I argue that metacognitive knowledge is multidimensional, domain-general in nature, and teachable. Four instructional strategies are described for promoting the construction and acquisition of metacognitive awareness. These include promoting general awareness, improving self-knowledge and regulatory skills, and promoting learning environments that are conducive to the construction and use of metacognition. 相似文献
153.
Gregory Camilli 《Journal of Educational Measurement》1999,36(1):73-78
Yen and Burket (1997) provided a critical analysis of the work by Camilli (1988) regarding scale shrinkage, and suggested that shrinkage in vertical equating cannot be understood apart front multidimensionality. In this response, select research on reliability, multidimensionality and scale shrinkage are reviewed. These perspectives are then integrated with issues of practical importance to educators. 相似文献
154.
Gregory J. Jurkovic 《Psychology in the schools》1978,15(4):560-564
The relation of imaginative play to psycholinguistic development was investigated in a sample of disadvantaged preschool children. The children were assigned to high and low play groups based on their level of play organization. The high play group was significantly more mature in overall psycholinguistic development than the low play group. Further analyses revealed that while the groups did not vary in Auditory Reception, the high play group earned more advanced scores on the Auditory-Vocal Association and Verbal Expression tasks that did the low play group. Moreover, the high play group engaged in more task-relevant speech during play than did the low play group, although the groups did not differ in amount of task-irrelevant speech. The role of psycholinguistic, cognitive, and environmental factors in the development and organization of imaginative play was discussed. 相似文献
155.
156.
Pilar Pazos Marina Micari Gregory Light 《Assessment & Evaluation in Higher Education》2010,35(2):191-208
Collaborative learning is being used extensively by educators at all levels. Peer‐led team learning in a version of collaborative learning that has shown consistent success in science, technology, engineering and mathematics disciplines. Using a multi‐phase research study we describe the development of an observation instrument that can be used to assess peer‐led group learning. This paper illustrates the development of a classification system for peer‐led learning groups and an instrument based on this classification system. The instrument evaluates small learning groups on two important aspects of group learning: problem solving approach and group interaction style. We provide evidence of the factor structure of the two dimensions using both exploratory and confirmatory factor analysis. We also provide information about the reliability of the two scales as measured by the Cronbach's alpha coefficient. Data from a large peer‐led learning programme was used to conduct the factor analysis. Results from the factor analysis confirmed that the instrument is actually measuring two key characteristics of small learning groups: problem solving approach and group interaction style, characteristics that have been linked to effective functioning of the group and to the student learning outcomes. This instrument may be particularly appealing to practitioners (faculty members, those running small‐group learning programmes, etc.) because it is easy to use and it does not require extensive time for analysis. 相似文献
157.
Nicolette S. Richardson Derek Zwambag Kristen McFall David M. Andrews Diane E. Gregory 《Anatomical sciences education》2021,14(5):605-614
The synthetic cadaver is a high-fidelity model intended to replace or supplement other anatomy learning modalities. Academic attainment and student perceptions were examined in an undergraduate human anatomy course using a combination of plastic models and synthetic cadavers to learn lower body anatomy (“Experimental group”), compared to a Historical group who used only plastic models. Grades on an upper body test, for which both groups used only plastic models, were compared to ensure that no academic differences existed between groups (P = 0.7653). Students in the Experimental group performed better on the lower body test for which they used both plastic models and synthetic cadavers (median = 73.8% (95% CI: 72.0%-75.0%) compared to the Historical group (70.1% (95% CI: 68.3%-70.7%), P < 0.0001); however, less than half of students (49%) attributed this to the synthetic cadavers. Students' perception of laboratory resources (P < 0.0001) and learning experience (P < 0.0001) both improved with the addition of synthetic cadavers compared to using only plastic models, and 60% of students in the Experimental group agreed that the synthetic cadavers would be a key reason that they would choose that institution for undergraduate studies. This investigation showed improved student grades when plastic models and synthetic cadavers were combined, in addition to improved student perceptions of the learning experience. Results of the student questionnaires also suggested that although synthetic cadavers carry a notable up-front cost, they may be a useful recruitment tool for institutions. 相似文献
158.
Alice C. Schermerhorn John E. Bates Jackson A. Goodnight Jennifer E. Lansford Kenneth A. Dodge Gregory S. Pettit 《Child development》2013,84(5):1579-1593
The interaction between a temperament profile (four groups determined by high vs. low resistance to control [unmanageability] and unadaptability [novelty distress]) and family stress in predicting externalizing problems at school in children followed from kindergarten through eighth grade (ages 5–13) was investigated. The sample consisted of 556 families (290 boys). At Time 1 just prior to kindergarten, mothers retrospectively reported on their child's temperament during infancy. Each year, mothers reported stress and teachers reported children's externalizing problems. Temperament profile was tested as a moderator of the stress–externalizing association for various time periods. Results indicated that the combination of high resistance to control and high unadaptability strengthens the stress–externalizing association. Findings are discussed in terms of possible underlying mechanisms. 相似文献
159.
Gregory T. Rushton Christine Lotter Jonathan Singer 《Journal of Science Teacher Education》2011,22(1):23-52
This study investigates the beliefs and practices of seven high school chemistry teachers as a result of their participation
in a year-long inquiry professional development (PD) project. An analysis of oral interviews, written reflections, and in-class
observations were used to determine the extent to which the PD affected the teachers’ beliefs and practice. The data indicated
that the teachers developed more complete conceptions of classroom inquiry, valued a “phenomena first” approach to scientific
investigations, and viewed inquiry approaches as helpful for facilitating improved student thinking. Analysis of classroom
observations with the Reformed Teaching Observation Protocol indicated that features of the PD were observed in the teachers’
practice during the academic year follow-up. Implications for effective science teacher professional development models are
discussed. 相似文献
160.
John L. Nietfeld Sara J. Finney Gregg Schraw Matthew T. McCrudden 《Contemporary educational psychology》2007
This study tested four theoretical models in terms of their fit with demands placed on our cognitive system by traditional tests of cognitive ability. We did so by administering seven tests of cognitive ability known to require varying types of processing demands to a large group of college undergraduates (N = 193). We compared the models using confirmatory factor analyses, including those based upon a unitary factor, speed and capacity, crystallized and fluid intelligence, and verbal and spatial ability. The crystallized/fluid model provided the best fit with the data. This finding is consistent with previous research. Implications for education and future research are discussed. 相似文献