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41.
This study tested the effects of a new cognitive-bias modification (CBM) intervention that targeted an approach bias for alcohol in 214 alcoholic inpatients. Patients were assigned to one of two experimental conditions, in which they were explicitly or implicitly trained to make avoidance movements (pushing a joystick) in response to alcohol pictures, or to one of two control conditions, in which they received no training or sham training. Four brief sessions of experimental CBM preceded regular inpatient treatment. In the experimental conditions only, patients' approach bias changed into an avoidance bias for alcohol. This effect generalized to untrained pictures in the task used in the CBM and to an Implicit Association Test, in which alcohol and soft-drink words were categorized with approach and avoidance words. Patients in the experimental conditions showed better treatment outcomes a year later. These findings indicate that a short intervention can change alcoholics' automatic approach bias for alcohol and may improve treatment outcome.  相似文献   
42.
Does simply seeing a word such as rise activate upward responses? The present study is concerned with bottom-up activation of motion-related experiential traces. Verbs referring to an upward or downward motion (e.g., rise/fall) were presented in one of four colors. Participants had to perform an upward or downward hand movement (Experiments 1 and 2a/2b) or a stationary up or down located keypress response (Experiment 3) according to font color. In all experiments, responding was faster if the word's immanent motion direction matched the response (e.g., upward/up response in case of rise); however, this effect was strongest in the experiments requiring an actual upward or downward response movement (Experiments 1 and 2a/2b). These findings suggest bottom-up activation of motion-related experiential traces, even if the task does not demand lexical access or focusing on a word's meaning.  相似文献   
43.
Although recent literature on university teaching highlights “authenticity” as an important concept, the meaning of this complex notion remains elusive. Sternberg (1990 Sternberg, R. 1990. “Wisdom and its relations to intelligence and creativity”. In Wisdom, its nature, origins, and development, Edited by: Sternberg, R. J. 142159. Cambridge, , UK: Cambridge University Press.  [Google Scholar]) proposed that we gain deeper insight into phenomena that are assumed to be of profound meaning but remain insufficiently understood if, alongside explicit theories of experts, we also consider the implicit theories of nonspecialists. This repertory grid study explored with a sample of lecturers their personal conceptions of authenticity in teaching and how these compare to explicit theories developed by educationalists and philosophers. Implications for theory and professional development, as well as future directions for research, are offered.  相似文献   
44.
Abstract

We review the evidence that mothers, compared to childless women or fathers, are discriminated at work (“motherhood penalty”) and that fathers may receive “caregiver penalties.” We conclude that (implicitly or explicitly) expected family roles appear to determine parenthood penalties. On this basis, we examined penalties for fathers who are only assumed to be primary caregivers. We found “fatherhood penalties” for single fathers compared to married fathers (Experiment 1, N?=?343) and compared to singles and single mothers (Experiment 2, N?=?142 professionals). We discuss the mixed evidence on work-related perceptions of parents.  相似文献   
45.
Paradoxical performance effects (‘choking under pressure’) are defined as the occurrence of inferior performance despite striving and incentives for superior performance. Experimental demonstrations of these effects on tasks analogous to athletic performance and the theories that may explain them are reviewed. At present, attentional theories seem to offer the most complete explanation of the processes underlying paradoxical performance effects. In particular, choking may result from distraction or from the interference of self-focused attention with the execution of automatic responses. Experimental findings of paradoxical performance decrements are associated with four pressure variables: audience presence, competition, performance-contingent rewards and punishments, and ego relevance of the task. The mediating factors of task complexity, expectancies, and individual differences are discussed.  相似文献   
46.
For detecting differential item functioning (DIF) between two or more groups of test takers in the Rasch model, their item parameters need to be placed on the same scale. Typically this is done by means of choosing a set of so-called anchor items based on statistical tests or heuristics. Here the authors suggest an alternative strategy: By means of an inequality criterion from economics, the Gini Index, the item parameters are shifted to an optimal position where the item parameter estimates of the groups best overlap. Several toy examples, extensive simulation studies, and two empirical application examples are presented to illustrate the properties of the Gini Index as an anchor point selection criterion and compare its properties to those of the criterion used in the alignment approach of Asparouhov and Muthén. In particular, the authors show that—in addition to the globally optimal position for the anchor point—the criterion plot contains valuable additional information and may help discover unaccounted DIF-inducing multidimensionality. They further provide mathematical results that enable an efficient sparse grid optimization and make it feasible to extend the approach, for example, to multiple group scenarios.  相似文献   
47.
Research has shown that the strength of the implicit affiliation‐intimacy motive moderates the effects of satisfaction and frustration of the need for affiliation‐intimacy: Low relatedness was more closely related to envy for people high in the implicit affiliation‐intimacy motive. The present study tests a moderating effect of the strength of the implicit affiliation‐intimacy motive on the association between low relatedness and social cynicism in samples of elderly people from Germany, the Czech Republic, and Cameroon. A total of 616 participants provided information on their implicit affiliation‐intimacy motive, relatedness, and social cynicism. As hypothesized, a moderation effect of the strength of the implicit affiliation‐intimacy motive was found that held true regardless of participants’ culture of origin: For people high in the implicit affiliation‐intimacy motive, a lack of relatedness was associated with higher levels of social cynicism. Our findings complement other theories stating that positive relationships with others are a significant part of successful aging.  相似文献   
48.
Despite great efforts to increase women’s participation in science, technology, engineering, and math (STEM), relatively few women choose careers in these fields. We argue that women might expect to feel less good in contexts where unfavorable gender stereotypes are activated in their minds (e.g., by strong underrepresentation) and, consequently, are less likely to aspire to STEM careers. In two pilot studies (Ns?=?28/61), we confirmed that undergraduate women expect more negative and less positive affect (i.e., generally (un)pleasant emotions) and a heightened sense of threat in a stereotype-activating, compared to a not stereotype-activating, test scenario. In Study 1 (N?=?102), the scenario indirectly lowered college women’s STEM career aspiration (adjusted for preliminary domain identification) due to lower anticipated positive affect, but not to higher negative affect, in the stereotype-activating scenario. The scenario had no detrimental effect on college men’s anticipated affect or their career aspirations. In Study 2, 91 high school students reported anticipated affect and self-efficacy in different university majors and their intentions to choose the subject as a major. The more stereotypically male (in terms of gender distribution) the subject, the more negative and the less positive was young women’s, but not young men’s, anticipated affect. Only lower positive, but not higher negative, affect predicted low study intentions over and above self-efficacy. To increase women’s aspirations, their expected feelings in STEM deserve attention. One approach to foster positive affect might be to create less stereotypical STEM contexts.  相似文献   
49.
Reports that visual search is more efficient for vertically than for horizontally shaded objects suggested that search is influenced by a priori knowledge about the source of light. In this study, we examined search for targets defined by the orientation of luminance gradients and measured event-related brain potentials (ERPs). In Experiment 1, we examined search for stimuli that comprised gradual luminance differences. Response times showed the expected orientation anisotropy effect. ERP amplitudes in the P1 latency range were slightly more positive in response to horizontally oriented stimuli, whereas P3 amplitudes were more positive in response to nonsingleton vertically oriented stimuli. Experiment 2 compared search for stimuli that comprised gradual versus step differences in luminance. All the anisotropies that we observed in Experiment 1 could be replicated in Experiment 2. Moreover, these anisotropies were not dependent on the type of the luminance gradient. This finding is inconsistent with the view that search efficiency is influenced by a priori knowledge about the source of light. The behavioral and electrophysiological data are consistent with a context model of visual search. We propose that contextual modulation reduces redundancy and contributes to computing the saliency of visual information by implementing divisive normalization and multiplicative filtering.  相似文献   
50.
Human information processing is incredibly fast and flexible. In order to survive, the human brain has to integrate information from various sources and to derive a coherent interpretation, ideally leading to adequate behavior. In experimental setups, such integration phenomena are often investigated in terms of cross-modal association effects. Interestingly, to date, most of these cross-modal association effects using linguistic stimuli have shown that single words can influence the processing of non-linguistic stimuli, and vice versa. In the present study, we were particularly interested in how far linguistic input beyond single words influences the processing of non-linguistic stimuli; in our case, environmental sounds. Participants read sentences either in an affirmative or negated version: for example: “The dog does (not) bark”. Subsequently, participants listened to a sound either matching or mismatching the affirmative version of the sentence (‘woof’ vs. ‘meow’, respectively). In line with previous studies, we found a clear N400-like effect during sound perception following affirmative sentences. Interestingly, this effect was identically present following negated sentences, and the negation operator did not modulate the cross-modal association effect observed between the content words of the sentence and the sound. In summary, these results suggest that negation is not incorporated during information processing in a manner that word–sound association effects would be influenced.  相似文献   
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