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221.
Treisman M 《Psychonomic bulletin & review》2002,9(4):845-857
For nearly 50 years, signal detection theory (SDT; Green & Swets, 1966; Macmillan & Creelman, 1991) has been of central importance in the development of psychophysics and other areas of psychology. The theory has recently been challenged by Balakrishnan (1998b), who argues that, within SDT, an alternative index is “better justified” than d’ and who claims to show (1998a, 1999) that SDT is fundamentally flawed and should be rejected. His evidence is based on new nonparametric measures that he has introduced and applied to experimental data. He believes his results show that basic assumptions of SDT are not supported—in particular, that payoff and probability manipulations do not affect the position of the decision criterion. In view of the importance of SDT in psychology, these claims deserve careful examination. They are critically reviewed here. It appears that it is Balakrishnan’s arguments that fail, and not SDT. 相似文献
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224.
Croizet Jean-Claude Désert Michel Dutrévis Marion Leyens Jacques-Philippe 《Social Psychology of Education》2001,4(3-4):295-310
According to Steele (1997), negative stereotypes about intellectual abilities can act as a threat that disrupts the performance
of students targeted by bad reputations. Previous research on stereotype threat has showed that on a stereotype-relevant test,
stigmatized group members (e.g., African Americans) performed worse than others on an intellectual verbal task. However, when
the instructions accompanying the test did not create stereotype threat, stigmatized group members' performance was equal
to that of other participants. In this paper, we present studies documenting the effect of stereotype threat and discuss ways
to counter it. Two strategies derived from Self-Categorization Theory (Turner & Oakes, 1989) and Self-Affirmation Theory (Steele,
1988) are presented, tested, and discussed.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
225.
Calmet M 《Perceptual and motor skills》2007,105(2):646-648
Discussions and exchanges identify axes of research. From an example in physiology and perspectives in biomechanics, experimental judo situations nearer real ones may yield complementary data from applied and laboratory research. 相似文献
226.
227.
The ability to reflect on and monitor memory processes is one of the most investigated metamemory functions, and one of the important ways consciousnesses interacts with memory. The feeling-of-knowing (FOK) is one task used to evaluate individual's capacity to monitor their memory. We examined this reflective function of metacognition in older adults. We explored the contribution of metacognition to episodic memory impairment, in relation to the idea that older adults show a reduction in memory awareness characteristic of episodic memory. A first experiment showed that age affects the accuracy of FOK when predictions are made on an episodic memory task but not on a semantic memory task, suggesting a particular role for episodic memory awareness in metacognitive evaluations. A second experiment showed that the age-difference in episodic FOK accuracy was removed if one took into account subjective reports of memory awareness, or recollection. We argue that the FOK deficit specific to episodic memory is based on a lack of memory awareness manifest as a recollection deficit. 相似文献
228.
“Ontological emergence” of inherent high-level properties with causal powers is witnessed nowhere. A non-substantialist conception
of emergence works much better. It allows downward causation, provided our concept of causality is transformed accordingly.
相似文献
Michel BitbolEmail: |
229.
Can the components of a cognitive model predict the severity of generalized anxiety disorder? 总被引:2,自引:0,他引:2
Dugas MJ Savard P Gaudet A Turcotte J Laugesen N Robichaud M Francis K Koerner N 《Behavior Therapy》2007,38(2):169-178
Over the past decade, a number of well-controlled studies have supported the validity of a cognitive model of generalized anxiety disorder (GAD) that has four main components: intolerance of uncertainty, positive beliefs about worry, negative problem orientation, and cognitive avoidance. Although these studies have shown that the model components are associated with high levels of worry in nonclinical samples and with a diagnosis of GAD in clinical samples, they have not addressed the question of whether the model components can predict the severity of GAD. Accordingly, the present study sought to determine if the model components are related to diagnostic severity, worry severity, and somatic symptom severity in a sample of 84 patients with a primary diagnosis of GAD. All model components were related to GAD severity, although positive beliefs about worry and cognitive avoidance were only modestly associated with the severity of the disorder. Intolerance of uncertainty and negative problem orientation had more robust relationships with the severity of GAD (and with worry severity, in particular). When participants were divided into Mild, Moderate, and Severe GAD groups, intolerance of uncertainty and negative problem orientation distinguished the Moderate and Severe GAD groups from the Mild GAD group, even when age, gender, and depressive symptoms were statistically controlled. Overall, the results lend further support to the validity of the model and suggest that intolerance of uncertainty and negative problem orientation are related to the severity of GAD, independently of sociodemographic and associated clinical factors. The theoretical and clinical implications of the findings are discussed. 相似文献
230.
Michel Girodo 《International journal of psychology》2007,42(6):418-426
This study sought to understand judgment errors by special police units such as those documented after the assault by the Bureau of Alcohol, Tobacco and Firearms on the Branch Davidians near Waco, Texas. The study examined the relation between personality traits, the cognitive organization of safety and survival skills, and past deadly force encounters in 131 tactical and command officers of Violent Crimes and Fugitives Task Forces, and as they executed live high‐risk arrest warrants in an all‐inclusive decision‐making simulation environment. Logistic regressions showed that getting shot on the job was related to very low neuroticism and low sensation (experience) seeking among officers. Getting shot in a deadly force encounter during a simulated team entry was also related to low neuroticism and low experience seeking. Making safety and survival errors in a simulated entry was positively related to toughmindedness in Task Force tactical officers but negatively related to toughmindedness in Task Force leaders. Principle components factor analysis of 27 self‐reported safety and survival competencies showed that, generally, TF leaders reasoned with higher cognitive processes of analysis and deliberation while tactical personnel reasoned more in terms of reactive and procedural knowledge. Getting shot during a simulated dangerous encounter was more likely to occur when there was a mismatch between task demands and an officer's preference of one knowledge system over another. It was speculated that the poor judgment by command staff at Waco might have been related to their use of a procedural knowledge system when higher cognitive processes were needed. Greater experience with executing arrest warrants would have triggered the recognition of a serious anomaly, which would have primed the use of higher cognitive processes. 相似文献