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81.
The tendency to interpret ambiguous everyday situations in a relatively negative manner (negative interpretation bias) is central to cognitive models of depression. Limited tools are available to measure this bias, either experimentally or in the clinic. This study aimed to develop a pragmatic interpretation bias measure using an ambiguous scenarios test relevant to depressed mood (the AST-D).1 In Study 1, after a pilot phase (N = 53), the AST-D was presented via a web-based survey (N = 208). Participants imagined and rated each AST-D ambiguous scenario. As predicted, higher dysphoric mood was associated with lower pleasantness ratings (more negative bias), independent of mental imagery measures. In Study 2, self-report ratings were compared with objective ratings of participants’ imagined outcomes of the ambiguous scenarios (N = 41). Data were collected in the experimental context of a functional Magnetic Resonance Imaging scanner. Consistent with subjective bias scores, independent judges rated more sentences as negatively valenced for the high versus low dysphoric group. Overall, results suggest the potential utility of the AST-D in assessing interpretation bias associated with depressed mood. 相似文献
82.
The idea of efficient coding in the visual brain allows for predictions for the processing of various types of images, including certain artworks, natural images and uncomfortable images. Efficient processing is thought to result in lower responses compared to less efficient processing. The efficiency of the processing is suggested to depend on the architecture of the visual system and the properties of the input image. In this study, neural responses were estimated using EEG across the categories of a set of five images of abstract artworks, a set of five photographs of natural images and a set of five computer-generated uncomfortable images. EEG responses to contrast-matched images were found to be lower for the set of five abstract artworks used in the study compared to the set of photographs of natural images, lending preliminary support for the idea that certain abstract artworks, for example the work of Pollock, may be processed efficiently. 相似文献
83.
Stefan Küchemann Goodwin Gibbins Joe Corkerton Eleanor Brug Jonas Ruebsam Konrad Samwer 《Philosophical Magazine Letters》2016,96(12):454-460
When a solid crosses the glass transition, viscous flow sets in and the glass transforms into a supercooled liquid. The glass transition temperature exhibits a heating rate dependence which was previously observed to follow a Vogel–Fulcher–Tammann (VFT) equation. Here we report on a change in the heating rate dependence of the glass transition, determined by the distinct increase in the specific heat capacity, of a metallic glass. We combine standard techniques such as differential scanning calorimetry with recently developed ohmic heating techniques in order to cover seven orders of magnitude in heating rate. Contrary to previous reports, our results show that the change of the glass transition temperature cannot be described by a single VFT equation. Instead we find two distinct regimes which independently follow a VFT expression. 相似文献
84.
The application of multiattribute decision analysis to personal consequential decision problems can be unhelpful particularly where the analysis fails to help the decision maker to discover new values, or where the decision maker is unable to visualize the experience that may result from choosing a particular course of action. We concur with James March that values are best discovered by the act of choosing and experimenting but acknowledge that the act of choice can lead to irreversible consequences. Both of these problems suggest that techniques which assist the decision maker to envisage the consequences of choice need to be developed and incorporated into the modelling process. We suggest some forms that these techniques might take. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
85.
This paper first describes current practice in decision analysis and argues that nothing in the technique's application is likely to challenge the strategic decision maker's current worldview of the course of future events that are modelled in the decision tree. By contrast, a scenario planning intervention in an organization has the potential to increase perceived threat and thus lead to a step change in strategic decision making. Strategic decisions are made against a backcloth of the operation of psychological processes that act, it is argued, to reduce the perceived level of environmental threat and result in strategic inertia. For this reason, it is recommended that scenario planning should be adopted as a standard procedure because of its ability to challenge individual and organizational worldviews. The use of scenario planning prior to conventional decision analysis is termed as ‘future‐focussed thinking’, and parallels are drawn between the current advocated approach and that of Keeney's value‐focussed thinking. Both serve to prompt the creation of enhanced options for subsequent evaluation by conventional decision analytic techniques. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
86.
The likelihood of false recall in the Deese-Roediger-McDermott (DRM) paradigm was shown to depend on encoding context in two experiments. When fillers had been preselected to decrease the likelihood of encoding the critical lure's semantic features, false recall was virtually eliminated. However, when the same words were presented rearranged in different presentation orders, levels of false recall that were found in earlier DRM studies (Robinson & Roediger, 1997) were replicated. The role of encoding processes in the DRM paradigm was further explored with additional participants completing the experiment while thinking aloud. During encoding of word lists, participants verbalized semantic elaboration of the critical lure while studying the word lists. A path analysis demonstrated that participants' verbalization of critical lures during encoding reliably predicted their level of false recall. 相似文献
87.
Robert E. Goodwin 《Journal of applied philosophy》1999,16(3):247-254
Sustainable practices are commended to us both out of prudential regard for our own future and out of principled concern for the 'right to life' of endangered species, ecosystems and ways of life and for intergenerational justice among our own kind. The larger point of the 'sustainability ethic' might be more political, however. Insisting that any practice we adopt now must be sustainable into the indefinite future constitutes an institutional check preventing us from taking unfair advantage of our privileged temporal position vis-a-vis our successors. 相似文献
88.
89.
Carlos Osório Neil Greenberg Norman Jones Laura Goodwin Mohammed Fertout Ângela Maia 《Military psychology》2013,25(1):70-81
Several combat- and noncombat-related stressors have been reported in Afghanistan. There is now accumulating evidence that suggests that posttraumatic stress disorder (PTSD) is linked to combat experiences; however, little is known about how these exposures might affect elite combat troops. This research aims to evaluate the prevalence of combat and noncombat related stressors, as well as PTSD in Portuguese Special Forces deployed in Afghanistan. Overall, participants reported high levels of exposure to combat and adverse physical conditions but also high levels of within-unit comradeship. The analysis also exposed that 2.7% of the participants reported symptoms compatible with PTSD and 8.8% with compatible partial PTSD. When the authors conducted a binary logistic regression, only the higher levels of combat exposure explained the symptoms of PTSD. 相似文献
90.
Holmes EA Deeprose C Fairburn CG Wallace-Hadrill SM Bonsall MB Geddes JR Goodwin GM 《Behaviour research and therapy》2011,49(10):707-713
A cognitive model of bipolar disorder suggests that mental imagery acts as an emotional amplifier of mood and may be heightened in bipolar disorder. First, we tested whether patients with bipolar disorder would score higher on mental imagery measures than a matched healthy control group. Second, we examined differences in imagery between patients divided into groups according to their level of mood stability. Mood ratings over approximately 6-months, made using a mobile phone messaging system, were used to divide patients into stable or unstable groups. Clinician decisions of mood stability were corroborated with statistical analysis. Results showed (I) compared to healthy controls, patients with bipolar disorder had significantly higher scores for general mental imagery use, more vivid imagery of future events, higher levels of intrusive prospective imagery, and more extreme imagery-based interpretation bias; (II) compared to patients with stable mood, patients with unstable mood had higher levels of intrusive prospective imagery, and this correlated highly with their current levels of anxiety and depression. The findings were consistent with predictions. Further investigation of imagery in bipolar disorder appears warranted as it may highlight processes that contribute to mood instability with relevance for cognitive behaviour therapy. 相似文献