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141.
Anton E. Lawson 《科学教学研究杂志》1987,24(7):611-627
To test the hypothesis that adolescents classified as formal operational, based upon use of proportional reasoning on the “Pouring Water Task” (Lawson, Karplus, & Adi, 1978) have acquired the mental structures necessary to comprehend hypothetico-deductive arguments of a pattern referred to as “reasoning to a contradiction,” while adolescents classified as concrete operational, based upon use of additive reasoning on the same task have not, a sample of 100 high school students were administered the task and three versions of a problem requiring use of reasoning to a contradiction before, immediately after, and one month after brief verbal instruction in use of that reasoning pattern. Results were generally supportive of the hypothesis as most of the concrete students failed the immediate and delayed posttest problems (62 and 80%, respectively) while most of the formal students succeeded (80 and 71%, respectively). Group differences were significant (p < .001) in both cases. These results suggest that, contrary to those who have argued that content plays a substantial role in logical performance, a general hypothetico-deductive reasoning competence exists in some adolescents and is applicable across a wide variety of task domains. Science instruction which aims to teach this competence is recommended. 相似文献
142.
The Children Depression Inventory (CDI) is a multidimensional instrument that includes items of social withdrawal, anhedonia,
asthenia, low self-esteem (internalized) and behavioral problems (externalized). Child depression has been related with low
academic achievement, neurotic and introverted personality traits and social maladjustment defined by aggressiveness, psychoticism
and antisocial behavior. In this work, it is hypothesized that in non-clinical populations, the relationships between CDI
scores and a low academic achievement might be basically due to social maladjustment assessed by the behavioral items of this
instrument, which do not necessarily tap depressive mood. The effects of both depressive mood and social maladjustment on
academic achievement are analyzed in an adolescent sample of 315 boys and 363 girls through Structural Equation Modelling
procedures. Results corroborate the hypothesis that social maladjustment measured by the CDI behavioral items and Psychoticism
explain low academic achievement over and above depressive mood measured by the rest of the CDI items, extraversion and neuroticism. 相似文献
143.
ABSTRACT‘Changing Play’ is an ongoing project initiated by education curators from the Serpentine, a prestigious London art gallery, working with the Portman children’s centre nursery. Viewed by curators as a collaboration between artist, children’s centre staff and parents, and the gallery, Changing Play combines art and action research, and expands the boundaries of the gallery. In the words of one of the education curators, ‘the project is about social change’. It is not for the gallery curators to develop proposals but to ‘co-develop work’. Ethnographic evidence employing narrative, visual arts informed analysis is being used by the gallery to report to funders, inform iterative planning and inform future directions. The paper focuses on methodological questions on ways in which ethnographers might meet artistic projects both during and after being in the ‘field’. It takes the form of a ‘loose parts’ montage which reflects the ways in which the art project was conducted. 相似文献
144.
Anton Havnes 《Assessment & Evaluation in Higher Education》2004,29(2):159-176
The backwash effect of assessment on learning is widely acknowledged. This article discusses the impact of assessment on learning in a wider sense, by focusing on how assessment drives not only student learning, but also the teaching practices, the designing of educational programmes and the production of learning material. The focus is on how assessment affects education at a system level and the article conceptualizes the backwash effect of assessment on learning from a systemic perspective. Activity theory, as developed by Engeström (1987), is used as a framework to conceptualize this systemic affect of assessment. The empirical basis for the analysis is an ethnographic study of the compulsory preparatory course in philosophy, logics and philosophy of science at the University of Oslo. 相似文献
145.
Michael Oehrtman Anton E. Lawson 《International Journal of Science and Mathematics Education》2008,6(2):377-403
Disagreements exist among textbook authors, curriculum developers, and even among science and mathematics educators/researchers
regarding the meanings and roles of several key nature-of-science (NOS) and nature-of-mathematics (NOM) terms such as proof,
disproof, hypotheses, predictions, theories, laws, conjectures, axioms, theorems, and postulates. To assess the extent to
which these disagreements may exist among high school science and mathematics teachers, a 14-item survey of the meanings and
roles of the above terms was constructed and administered to a sample of science and mathematics teachers. As expected, the
science teachers performed better than the mathematics teachers on the NOS items (44.1 versus 24.7%, respectively) and the
mathematics teachers performed better than the science teachers on the NOM items (59.0 versus 26.1%, respectively). Nevertheless,
responses indicated considerable disagreement and/or lack of understanding among both groups of teachers concerning the meanings/roles
of proof and disproof and several other key terms. Therefore it appears that these teachers are poorly equipped to help students
gain understanding of these key terms. Classroom use of the If/and/then/Therefore pattern of argumentation, which is employed in this paper to explicate the hypothesis/conjecture testing process, might be
a first step toward rectifying this situation. 相似文献
146.
147.
What factor(s) influence the likelihood a student will succeed in college biology? Some researchers have found the primary determinant to be the student's prior knowledge of biology, while others have found it to be reasoning ability. Perhaps the ability of these factors to predict achievement depends on the instructional method employed. Expository instruction focuses primarily on facts and concepts. Therefore, perhaps the best predictor of achievement in expository classes is domain-specific prior knowledge. Inquiry instruction focuses more on how science is done, i.e., on scientific processes; therefore, perhaps the best predictor in inquiry classes is reasoning ability. This study was designed to test these hypotheses. Students enrolled in a nonmajors community college biology course were pretested to determine reasoning ability and prior knowledge. The number of previous biology courses was also recorded as an indicator of prior knowledge. After a semester of either expository or inquiry (learning-cycle) instruction, students took a comprehensive final examination. Reasoning ability but not prior knowledge or number of previous biology courses accounted for a significant amount of variance in final examination score in both instructional methods and with semester examination and quiz scores in inquiry classes. This suggests that reasoning ability limits achievement more than prior knowledge among these biology students, whether they are enrolled in expository or inquiry classes. Reasoning ability explained more of the variance in final examination scores for students enrolled in expository classes (18.8%) than in inquiry classes (7.2%). The reason for this is not clear, but significant improvements in reasoning were found in the inquiry but not in the expository classes. These improvements were accompanied by significant differences in achievement in the inquiry classes. Perhaps the reasoning improvement facilitated the better and more equal achievement for students in the inquiry classes, thus reducing the correlation between initial reasoning ability and final achievement. © 1998 John Wiley & Sons, Inc. J Res Sci Teach 35: 89-103, 1998. 相似文献
148.
149.
Alexandre Vexliard Gordon Bishop Sinai Ucko Ingvar Werdelin Eric Hoyle Horst Magdeburg W. D. Halls Oskar Anweiler William W. Brickman R. Murray Thomas Edmund King Robert F. Lawson Anton Bemmerlein Gilbert L. de Landsheere H. H. Stern Klaus Schüttler-Janikulla Ben Morris Sherman D. Spector David A. Walker Robert J. Meeker Franklin Parker Joseph Majault Nigel Grant Rolland G. Paulston John B. Biggs Klaus Meyer 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1971,17(3):343-380
150.
The hypothesis that an early adolescent brain growth plateau and spurt exists and that this plateau and spurt influence students' ability to reason scientifically and to learn theoretical science concepts was tested. In theory, maturation of the prefrontal lobes during early adolescence allows for improvements in students' abilities to inhibit task‐irrelevant information and coordinate task‐relevant information, which along with both physical and social experience influences scientific reasoning ability and the ability to reject scientific misconceptions and accept scientific conceptions. Two hundred ten students ages 13–16 years enrolled in four Korean secondary schools were administered tests of four prefrontal lobe activities, a test of scientific reasoning ability, and a test of air pressure concepts derived from kinetic‐molecular theory. A series of 14 lessons designed to teach the concepts were then taught. The concepts test was then readministered following instruction. As predicted, among the 13‐ and 14‐year‐olds, performance on the prefrontal lobe measures remained similar or regressed. Performance then improved considerably among the 15‐ and 16‐year‐olds. Also as expected, the measures of prefrontal lobe activity correlated highly with scientific reasoning ability. In turn, prefrontal lobe activity and scientific reasoning ability predicted concept gains and posttest performance. A principal components analysis showed that the study variables had two main components, which were interpreted as an inhibiting and a representing component. Therefore, theoretical concept acquisition was interpreted as a process involving both the inhibition of task‐irrelevant information (i.e., the rejection of intuitively derived misconceptions) and the representation of task‐relevant information (i.e, complex hypothetico‐deductive arguments and counterintuitive scientific conceptions about nonobservable entities). © 2000 John Wiley & Sons, Inc. J Res Sci Teach 37: 44–62, 2000 相似文献