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61.
The effects of target borders on the ability of observers to resolve moving targets (Landolt Cs) under a range of conditions were examined. Contrary to reported findings with stationary targets, it was predicted that the presence of borders would improve acuity for slow-moving targets because (i) overall stimulus energy is kept relatively constant as target detail varies, and (ii) a low-spatial-frequency component is held constant as target detail varies. In an experiment in which a two-sided border (above and below the target) was used, the predicted beneficial effect of the border at slow speeds was obtained. The results are discussed in terms of practical implications for the assessment of dynamic visual acuity as well as the potential neural mechanisms underlying performance. 相似文献
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Loes Janssen Bob M. Fennis Ad Th.H. Pruyn 《Journal of experimental social psychology》2010,46(6):911-921
Recent research has shown that resisting persuasion involves active self-regulation. Resisting an influence attempt consumes self-regulatory resources, and in a state of self-regulatory resource depletion, people become more susceptible to (unwanted) influence attempts. However, the present studies show that a forewarning of an impending influence attempt prompts depleted individuals to conserve what is left of their regulatory resources and thus promotes self-regulatory efficiency. As a result, when these individuals are subsequently confronted with a persuasive request, they comply less (Experiments 1 and 3), and generate more counterarguments (Experiment 2) than their depleted counterparts who were not forewarned and thus did not conserve their resources, and they are as able as non-depleted participants to resist persuasion. 相似文献
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Bob Brecher 《Res Publica》2003,9(1):95-100
Instructions for Authors
Instructions for Authors 相似文献67.
Bob Brecher 《Res Publica》2002,8(3):301-306
Instructions for Authors
Instructions for Authors 相似文献68.
Alive communication 总被引:1,自引:0,他引:1
The purpose of this paper is to propose a theoretical model, based on a dynamic systems perspective and the metaphor of aliveness in communication. Traditional concepts and methods for the study of communication are relatively static and based on the metaphor of signal and response. These traditional methods lend themselves to relatively simplified measures of frequencies and durations, sequences and co-occurrences: a model of objectified communication. The concept of alive communication focuses on the dynamically changing aspects of communication using three related components: coregulation, ordinary variability, and innovation. Like living organisms, alive communication develops over time as it forms dynamically stable patterns. Aliveness can be applied to communication at any age, in any species, between species, in any form including time-delayed practices using written symbols, and with non-living objects. The model provides a tool for evaluating the "life-likeness" of communication with animate and inanimate objects and robotic devices, and for assessing and treating communicative difficulties--in which aliveness is missing--within and between dyads/families. 相似文献
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The role of familism in stress and coping processes among African American and White dementia caregivers: effects on mental and physical health. 总被引:1,自引:0,他引:1
OBJECTIVE: To explore how familism, burden, and coping styles mediate the relationships between ethnicity and the mental and physical health of caregivers. DESIGN: A probability sample of 65 White and 95 African Americans respondents caring for an older family member with dementia was used to test hypotheses from a sociocultural stress and coping model using path analysis. MAIN OUTCOME MEASURES: Measures of caregivers' health included subjective health, self-reported diseases, blood pressure, and heart rate. Mental health measures included self-reported depression and psychological symptoms. RESULTS: Contrary to the hypothesis, familism had an adverse effect on outcomes and was related to low education levels rather than to African American ethnicity. A buffering effect of active coping between being African American and diastolic blood pressure was found even after controlling for levels of education. CONCLUSIONS: Findings supported a core stress and coping model in which more behavior problems of care recipients were associated with poorer mental health of caregivers via greater burden and more use of avoidant coping. Results also demonstrate that this core model can be extended to physical health. 相似文献
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