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81.
Janice D. Gobert 《International Journal of Science Education》2013,35(9):937-977
Forty-seven fifth grade students (40 group-tested and 7 individually interviewed) read a text describing plate tectonics. At four points they drew diagrams of the spatial, causal, and dynamic processes inside the earth. These diagrams along with students' corresponding explanations, think-aloud protocols (for those individually interviewed), and answers to inference questions were analysed in order to characterize students' models of the interior of the earth, and models of its causal and dynamic processes. Types and characteristics of models, and reasoning associated with them are presented. Additionally, data from two exemplary students are presented as case studies. One student has considerable misunderstandings regarding both her understanding of the spatial layout of the interior of the earth and its causal mechanisms. The second student is more typical in terms of his initial models, but makes large gains in revising his understanding about the causal and dynamic processes inside the earth. In both cases, data are used to infer how each student used their diagrams as artefacts for externalizing knowledge, inference making, and model-revision. 相似文献
82.
Janice M. Y. Cheong Zachary M. Walker Kara Rosenblatt 《International Journal of Disability, Development & Education》2017,64(2):150-168
Mathematics is an important aspect of daily life. Basic numeracy skills are needed to accomplish everyday tasks. However, research regarding the relationship between cognitive ability, mental age, and basic numeracy skills for children with intellectual disability (ID) is scarce. This research study investigated the correlation between intellectual ability and the development of number sense and arithmetic abilities in individuals with ID. Thirty-two students from a special school for individuals with ID in Singapore participated in this research study. Based on the results, basic numeracy is more closely correlated to the mental ages of the students than their intelligence quotient. This finding will be discussed and suggestions for future research will be provided. 相似文献
83.
The research on young children with a dual diagnosis of hearing loss and autism spectrum disorder (ASD) is meager and scattered. Pockets of research on this population of children suggest that it is difficult to make the diagnosis of ASD in children with hearing loss. A case study design was used to examine the diagnostic process for young children and their families. The study found that the diagnosis of hearing loss was made first and that obtaining an ASD diagnosis and the appropriate services was complicated. The findings provide insight into how to support and provide intervention to families with children who have a dual diagnosis. 相似文献
84.
Processing limitations in children with specific language impairment: the role of executive function
Research suggests that children with specific language impairment (SLI) have processing limitations; however, the mechanisms involved have not been well defined or investigated in a theory-guided manner. The theory of constructive operators was used as a framework to explore processes underlying limited processing capacity in children with SLI. Mental attentional capacity, mental attentional interruption, and 2 specific executive functions (shifting and updating) were examined in 45 children with SLI and 45 children with normally developing language, aged 7 to 12 years. The results revealed overall group differences in performance on measures of mental attention, interruption, and updating, but not shifting. The findings supported the premise that mental attention predicted language competence, but that this relationship was mediated partially by updating. 相似文献
85.
Janet A. DiPietro Katie T. Kivlighan Kathleen A. Costigan Suzanne E. Rubin Dorothy E. Shiffler Janice L. Henderson Joseph P. Pillion 《Child development》2010,81(1):115-130
Fetal neurobehavioral development was modeled longitudinally using data collected at weekly intervals from 24 to 38 weeks gestation in a sample of 112 healthy pregnancies. Predictive associations between 3 measures of fetal neurobehavioral functioning and their developmental trajectories to neurological maturation in the first weeks after birth were examined. Prenatal measures included fetal heart rate (FHR) variability, fetal movement, and coupling between fetal motor activity and heart rate patterning; neonatal outcomes include a standard neurologic examination ( n = 97) and brainstem auditory evoked potential (BAEP; n = 47). Optimality in newborn motor activity and reflexes was predicted by fetal motor activity, FHR variability, and somatic–cardiac coupling predicted BAEP parameters. Maternal pregnancy-specific psychological stress was associated with accelerated neurologic maturation. 相似文献
86.
Drawing on 60 qualitative interviews with Canada research chairs (CRCs), we explore their careers in context. We develop a
model to understand the intersection of individual and institutional factors that shape the everyday experiences of the CRCs.
The model shows the dialectical relationship between faculty identity, research, relations with colleagues and students, and
institutional practices and structures. We classify individuals’ experiences as “good,” “bad,” or “ugly.” The interviews show
that while a majority of CRCs have a positive experience, others have a negative experience that is prone to becoming ugly
when institutional practices and systemic factors impede the work of the CRC. We discuss the perceived problems with the CRC
program from the standpoint of Chairholders, and the implications of our findings for the CRC program and universities. As
well, we propose that additional research on the professoriate is needed to determine whether or not the model from our study
is generalizable beyond our sample. 相似文献
87.
88.
This research examines the beneficial effects of student‐generated diagrams versus student‐generated summaries on conceptual understanding in the domain of plate tectonics. Fifty‐eight Grade 5 students read a brief expository text about plate tectonics. During their reading of the text, students were asked to either draw diagrams, produce written summaries, or simply read the text (control). Conceptual understanding was measured by the diagrams and summaries which were generated during students' reading of the text, as well as by a posttest which assessed students' understanding of both spatial/static and causal/dynamic knowledge of the domain. Results indicated that the summaries generated during the reading of the text contained more domain‐related information than the diagrams which were generated during the reading of the text. However, on the posttest measures, the diagram group outperformed both the summary and text only groups in terms of understanding both the spatial/static as well as causal/dynamic aspects of the domain. Results are discussed with regard to the differential effects that generating diagrams as compared to generating summaries or simply reading has on both on‐line comprehension during reading and resulting conceptual understanding of the domain. © 1999 John Wiley & Sons, Inc. J Res Sci Teach 36: 39–53, 1999. 相似文献
89.
Janice E. Williams 《Psychology in the schools》1994,31(3):232-237
This study investigated gender-related differences in the efficacy-expectation/performance discrepancies of high school students across four subject matter domains. Participants (N = 131) completed American College Testing (ACT) assessments in English, mathematics, reading, and science. Additionally, prior to each domain-specific test, students rated their perceived self-efficacy expectation for successful performance on that test. As anticipated, most students reporting greater efficacy expectation also tended to perform at higher levels, particularly in mathematics. Unexpectedly, the majority of student efficacy/performance discrepancy scores fell outside the congruent range in all content areas. Approximately equal numbers of male and female students inaccurately estimated their performance capabilities, with most noncongruent students tending to fall into either the extreme overestimation/underestimation categories. Implications are discussed regarding the application of these findings to refining educational methods, and enhancing self-motivation in educational settings. 相似文献
90.
M. J. Attwood S. P. Roberts G. Trewartha M. England 《Journal of sports sciences》2019,37(12):1365-1374
Evidence supporting use of the Functional Movement Screen (FMSTM) to identify athletes’ risk of injury is equivocal. Furthermore, few studies account for exposure to risk during analysis. This study investigated the association of FMSTM performance with incidence and burden of match-injuries in adult community rugby players. 277 players performed the FMSTM during pre-season and in-season time-loss injuries and match exposure were recorded. The associations between FMSTM score, pain, and movement-pattern asymmetries with match-injury incidence (≥8-days time-loss/1000hours), severe match-injury incidence (>28-days time-loss/1000hours), and match-injury burden (total time-loss days/1000hours for ≥8-days match-injuries) were analysed using Poisson regression. Multivariate analysis indicated players with pain and movement-pattern asymmetry during pre-season had 2.9 times higher severe match-injury incidence (RR, 90%CI = 2.9, 0.9–9.7) and match-injury burden (RR, 90%CI = 2.9, 1.3–6.6). Players with a typically low FMSTM score (mean – 1SD threshold) were estimated to have a 50% greater match-injury burden compared to players with a typically high FMSTM score (mean + 1SD threshold) as match-injury burden was 10% lower per 1-unit increase in FMSTM score. As the strongest association with injury outcome was found for players with pain and asymmetry, when implementing the FMSTM it is advisable to prioritise these players for further assessment and subsequent treatment. 相似文献