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131.
The Holtzman Inkblot Technique (HIT) and the State-Trait Anxiety Inventory were administered to 81 undergraduates who later received biofeedback training for increases in index finger skin temperature. The Holtzman anxiety measure correlated significantly with voluntary temperature increase and the High Anxiety Group, identified by the HIT, was able to achieve significant increases in digital temperature. No significant relationships were found between State-Trait Anxiety measures and either Holtzman anxiety scores or vasomotor control, nor were there significant increases in temperature among State-Trait anxiety groups. The results supported the validity of the HIT as a measure of anxiety, but failed to characterize this anxiety as either state or trait in nature. 相似文献
132.
133.
Karl Petersen 《Synthese》1996,108(2):171-183
New results in ergodic theory show that averages of repeated measurements will typically diverge with probability one if there are random errors in the measurement of time. Since mean-square convergence of the averages is not so susceptible to these anomalies, we are led again to compare the mean and pointwise ergodic theorems and to reconsider efforts to determine properties of a stochastic process from the study of a generic sample path. There are also implications for models of time and the interaction between observer and observable.Supported in part by NSF Grant DMS-9203489. The author thanks Klaus Schmidt and Máté Wierdl for illuminating discussions. 相似文献
134.
No significant differences in proficiency of reading-listening comprehension among 24 reading-disabled boys in Grades 4, 5, and 6 were noted after hearing "talking book," taped stories, and teacher-read presentations. 相似文献
135.
Catherine O. Egbe Elizabeth O. Egbochuku Anna Meyer-Weitz Inge Petersen 《Psychological studies》2017,62(3):314-325
The theory of triadic influence (TTI) was employed as a framework to explore the risk influences for cigarette smoking among an inclusive sample of young smokers. This qualitative study involved a purposive sample of 18 young smokers aged 18–24 years. Data were collected using individual interviews and analysed using thematic analysis. Following the TTI, factors found to influence young people’s initiation and perpetuation of smoking included at the intrapersonal level, sensation seeking, hedonic attitudes and poor coping skills; young smokers engage in cigarettes smoking to cope with social and psychological challenges like stress, worries, to aid digestion and for relaxation. At the interpersonal level, smokers were influenced by their peers and significant others like parents, brothers, teachers and mentors. Immediate risk influences for smoking included experimentation with cigarettes and the use of other substances like marijuana and alcohol. Intervention programmes targeted at building life skills and the ability to resist the pressure from peers and significant others to smoke are needed. 相似文献
136.
Dakota R. B. Lindsey Claus Bundesen Søren Kyllingsbæk Anders Petersen Gordon D. Logan 《Attention, perception & psychophysics》2017,79(1):117-137
In the partial-report task, subjects are asked to report only a portion of the items presented. Selective attention chooses which objects to represent in short-term memory (STM) on the basis of their relevance. Because STM is limited in capacity, one must sometimes choose which objects are removed from memory in light of new relevant information. We tested the hypothesis that the choices among newly presented information and old information in STM involve the same process—that both are acts of selective attention. We tested this hypothesis using a two-display partial-report procedure. In this procedure, subjects had to select and retain relevant letters (targets) from two sequentially presented displays. If selection in perception and retention in STM are the same process, then irrelevant letters (distractors) in the second display, which demanded attention because of their similarity to the targets, should have decreased target report from the first display. This effect was not obtained in any of four experiments. Thus, choosing objects to keep in STM is not the same process as choosing new objects to bring into STM. 相似文献
137.
El-Alayli A Myers CJ Petersen TL Lystad AL 《Personality & social psychology bulletin》2008,34(1):130-143
Limited research has examined the effects of using disclaimers on person perception, and none has examined disclaimer effectiveness. Four studies test whether disclaimers effectively ward off negative judgments regarding the specific disclaimed traits. Study 1 finds that using an arrogance disclaimer ("I don't mean to sound arrogant, but . . .") increased judgments of the speaker's arrogance but only when followed by an arrogant comment. Studies 2 and 3 yield similar findings using laziness and selfishness disclaimers. Studies 2, 3, and 4 examine five possible underlying mechanisms regarding why disclaimers can backfire. The most support was obtained for the notion that disclaimers increase an audience's expectations that the speaker will say something consistent with the unwanted trait, which then increases perceptions of that trait in the speaker. We discuss some possible moderating variables as well as some implications of these findings for general impression formation models. 相似文献
138.
In a 3‐year follow‐up to Levin and Hart's ( 2003 ) study, we observed the same children, now 9–11 years old, and their parents in the same risky decision‐making task. At the aggregate level the same pattern of means was observed across time periods. At the individual level the key variables were significantly correlated across time periods for both children and adults. Taken together with the results from the original study and earlier studies, these results solidify the following conclusions: children utilize both probability and outcome information in risky decision‐making; the tendency to make more risky choices to avoid a loss than to achieve a gain of equal magnitude, which is a major tenet of the leading theories of risky decision‐making, occurs for children as well as adults; children make more risky choices than adults; temperamental predictors of risky choice are valid for children as well as for adults. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
139.
Pereira LO Arteni NS Petersen RC da Rocha AP Achaval M Netto CA 《Neurobiology of learning and memory》2007,87(1):101-108
Environmental enrichment (EE) results in improved learning and spatial memory, as well as attenuates morphological changes resulting from cerebral ischemia in adult animals. This study examined the effects of daily EE on memory deficits in the water maze and cerebral damage, assessed in the hippocampus and cerebral cortex, caused by neonatal hypoxia-ischemia. Male Wistar rats in the 7th postnatal day were submitted to the Levine-Rice model of neonatal hypoxia-ischemia (HI), comprising permanent occlusion of the right common carotid artery and a period of hypoxia (90 min, 8%O(2)-92%N(2)). Starting two weeks after the HI event, animals were stimulated by the enriched environment (1h/day for 9 weeks); subsequent to the stimulation, performance of animals in the water maze was assessed. HI resulted in spatial reference and working memory impairments that were completely reversed by EE. Following the behavioral study, animals were killed and the hippocampal volume and cortical area were estimated. There was a significant reduction of both hippocampal volume and cortical area, ipsilateral to arterial occlusion, in HI animals; environmental stimulation had no effect on these morphological measurements. Presented data indicate that stimulation by the daily environmental enrichment recovers spatial memory deficits caused by neonatal hypoxia-ischemia without affecting tissue atrophy in either hippocampus or cortex. 相似文献
140.
Roni Jo Draper Paul Broomhead Amy Petersen Jensen Jeffery D. Nokes 《Reading Psychology》2013,34(4):367-398
This article reports the outcomes of the first 3 years of an ongoing participatory action research (PAR) project that brought together literacy and content-area teacher educators. The purpose of our collaboration was two-fold: (a) to develop shared understandings or theories related to literacy and the place of literacy instruction in content-area classrooms, and (b) to make changes to our work with preservice teachers in order to prepare them to support adolescents’ content learning and discipline-specific literacy development. The findings reveal that the collaborative activities allowed participants to embrace broad notions of text and literacy that are useful in making sense of disciplinary aims and pedagogy. Furthermore, as teacher educators came to shift their thinking about literacy and disciplinary learning and teaching, their work with preservice teachers changed. Implications for future collaborative activities to promote content-area literacy are discussed. 相似文献