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241.
An ABAB design was used to evaluate the effect of a response cost lottery procedure on the percentage of on-task behavior and accuracy of academic work of three fourth-grade students. Although contingencies were attached primarily to behavior, both on-task behavior and academic performance measures increased in treatment conditions. Teacher reports indicated the intervention was both easy to use and effective.  相似文献   
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This research was designed to incorporate the test anxiety (TA) construct into the hierarchical model of approach and avoidance achievement motivation. Hypotheses regarding state and trait TA were tested in 2 studies, and the results provided strong support for the predictions. State TA (specifically, worry) was documented as a mediator of the negative relationship between performance-avoidance goals and exam performance. The positive relationship between performance-approach goals and exam performance was shown to be independent of TA processes. A series of analyses documented the conceptual and functional convergence of trait TA and fear of failure (FOF), and further validation of the proposed integration was obtained by testing trait TA/FOF and state TA together in the same model. Mastery goals were positively and performance-avoidance goals negatively related to long-term retention.  相似文献   
244.
Three asymmetries in the dynamics of 1:2 interlimb coordination were examined: the asymmetry in uncoupled frequencies, the asymmetry in coupled frequencies, and the left-right functional asymmetry of the body. In a bimanual 1:2 task, participants (N = 8) oscillated hand-held pendulums whose uncoupled frequencies were adjusted so that the first kind of asymmetry could be manipulated. For any given pendulum pair, the pendulum assuming the faster motion in the 1:2 coordination was oscillated in the right and the left hands. By assigning combinations of uncoupled eigenfrequencies and coupled task-specified frequencies across hands, the authors studied the interaction of all 3 asymmetries. The results confirm the appropriateness of generalized relative phase as a collective variable for 1:2 coordination. Additionally, they suggest that the generalized form of the detuning parameter represents the first asymmetry and that the coupling function expresses the second asymmetry. In 1:2 coordination, the body's functional asymmetry plays a limited role.  相似文献   
245.
Interlimb rhythmic movements can be modeled as coupled oscillators, with stable performance characterized by the relative phase between the limbs. In the present study, that modeling strategy, verified previously for 1:1 coordination, was generalized to 1:2 coordination with a view to n:m coordination. The generalized model predicted interactions between coordination (specifically, 1:1 vs. 1:2) and the frequency asymmetry between the limbs determining mean relative phase and its variability. The predicted interactions were evaluated with bimanual 1:2 and 1:1 rhythmic tasks in which participants (N = 8) oscillated hand-held pendulums whose uncoupled frequencies could be adjusted so that different interlimb asymmetries were produced. The authors needed new analytic procedures to verify stable 1:2 coordination and to resolve stochastic and deterministic sources of variability in the component oscillations. The major expectations from the generalized model were confirmed, and the implications of additional but unpredicted findings for the modeling of multifrequency behavior are discussed.  相似文献   
246.
Summary Two experiments are reported in which we examined the hypothesis that the advantage of the right hand in target aiming arises from differences in impulse variability. Subjects made aiming movements with the left and right hands. The force requirements of the movements were manipulated through the addition of mass to the limb (Experiments 1 and 2) and through control of movement amplitude (Experiment 1). Although the addition of mass diminished performance (i. e., it increased movement times in Experiment 1 and increased error in Experiment 2), the two hands were not differently affected by the manipulation of required force. In spite of the fact that the right hand exhibited enhanced performance (i. e., lower movement times in Experiment 1 and greater accuracy in Experiment 2), these advantages were not reflected in kinematic measures of impulse variability.We are grateful to an anonymous reviewer for clarification of this distinction.  相似文献   
247.
Dr. Digby Tantam MA  MPH  PhD  MRCPsych  MIGA 《Group》1991,15(1):23-27
Group-analytic psychotherapy focuses on the making and maintaining of close, emotionally fulfilling relationships. Its practitioners attempt to fuse an individual and a whole-group perspective, and seek to provide the enabling conditions for freer communication between group members. The group-analytic approach is widely used in the United Kingdom, and many experiential groups on psychotherapy training courses are conducted on group-analytic lines. The Institute of Group Psychotherapy in London recognizes eight one-year courses in England and Scotland specifically oriented to group-analytic theory and methods. These courses provide an introduction to group psychotherapy to over 300 professionals of varied backgrounds every year. There are also two courses in the United Kingdom that provide a full training in group-analysis and group-analytic psychotherapy, and 11 courses on the continent of Europe. The number of courses is growing and there is now a European Group-Analytic Training Network providing formal links between them. Results of a postal survey indicate that few (10%) attenders at a one-year course have a negative response and that many (85%) recommend the course to colleagues. The efficiency and therefore reduced cost of group teaching and the incorporation of a group experience may be contributing factors to the increasing demand for this type of training.This paper is based on a presentation at an Open Session on Training in Group Psychotherapy: The Quest for a Viable Model at the American Group Psychotherapy Association Annual Meeting, Boston, February 1990. This paper represents the author's own views and is not an official statement of the Institute of Group Analysis [London]. However, members and staff of the Institute have made helpful contributions to the author in preparing it. He is especially grateful for the assistance of Mrs. Liesel Hearst (Chairperson, Overseas Training Sub-Committee, Institute of Group Analysis, London), Dr. Keith Hyde (Convenor, Manchester Course in Group Psychotherapy), Fr. Jim Christie (Convenor, Glasgow Course in Group Psychotherapy), and Dr. Vivienne Cohen (Chairperson, Training Committee, Institute of Group Analysis, London, in preparing this paper. The questionnaire study was conducted with the assistance of the Training Section of the North-Western Regional Health Authority.  相似文献   
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Zhuangzi chooses a butterfly as a metaphor for transformation, a sighted creature whose inherent nature contains, and symbolizes, the potential for transformation from a less valued state to a more valued state. If transformation is not to be valued; if, according to a recent article by Jung Lee, ‘there is no implication that it is either possible or desirable for the living to awake from their dream’, why not tell a story of a mole awakening from a dream? This would be a more perfect story. There would be no point of a mole awakening since (setting aside tactile, olfactory, auditory and taste sensations for the purpose of the example), there is no way to distinguish between the world of the mole's imagination and the real world that is forever unavailable to a mole. In addition, Zhuangzi relates the story of the coming of a great sage in which it is clearly stated that ‘Only at the ultimate awakening shall we know that this is the ultimate dream’. Such textual evidence both from the choice of metaphors and evidential passages indicates that the message of the Zhuangzi is not epistemological relativity, but one of transformation from a state of intellectual blindness to a state of true understanding.  相似文献   
250.
Two experiments focused on examining the influence of mastery‐avoidance goals on performance improvement, and more specifically, on mastery‐avoidance goals grounded in an intrapersonal standard. That is, herein, mastery‐avoidance goals entail striving to avoid doing worse than one has done before. Both experiments demonstrated that in a multiple‐trial context, mastery‐avoidance goals are deleterious for performance improvement relative to mastery‐approach, performance‐approach, and performance‐avoidance goals, and a no goal baseline. The findings were shown to be independent of participants' perceptions of goal difficulty, and were consistent not only across methodology but also across type of participant (undergraduates versus individuals in the workforce), and type and length of achievement task (a verbal skills task versus an ecologically valid managerial competencies exercise). Copyright © 2009 John Wiley & Sons, Ltd.  相似文献   
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