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611.
Theodore P. Beauchaine Mark F. Lenzenweger Niels G. Waller 《Personality and individual differences》2008,44(8):1652-1662
Among the most consistently replicated findings in literature addressing the latent structure of psychopathology is evidence for a discrete latent class of individuals who are vulnerable to schizophrenia (schizotypes). Rawlings, Williams, Haslam, and Claridge (2008) challenge these findings by subjecting schizotypy scale scores to taxometric analysis, using a data simulation technique to accommodate variable skew. The authors conclude that schizotypy reflects a latent dimension, and that evidence for discrete latent structure from previous studies is likely an artifact of skewed variables. In this comment, we discuss (a) the philosophical implications of disconfirming well replicated findings in soft science with a single study, (b) important considerations when defining the schizotypy construct, (c) intricacies in executing and interpreting a taxometric analysis, and (d) problems with drawing strong conclusions from null results. Considerable evidence suggests that schizotypy is a discrete latent class, a conclusion that is unlikely the result of skewed variables. 相似文献
612.
613.
The ability to recognize and accurately interpret facial expressions are critical social cognition skills in primates, yet very few studies have examined how primates discriminate these social signals and which features are the most salient. Four experiments examined chimpanzee facial expression processing using a set of standardized, prototypical stimuli created using the new ChimpFACS coding system. First, chimpanzees were found to accurately discriminate between these expressions using a computerized matching-to-sample task, and recognition was impaired for all but one expression category when they were inverted. Third, a multidimensional scaling analysis examined the perceived dissimilarity among these facial expressions revealing 2 main dimensions, the degree of mouth closure and extent of lip-puckering and retraction. Finally, subjects were asked to match each facial expression category using only individual component features. For each expression category, at least 1 component movement was more salient or representative of that expression than the others. However, these were not necessarily the only movements implicated in subject's overall pattern of errors. Therefore, similar to humans, both configuration and component movements are important during chimpanzee facial expression processing. 相似文献
614.
This research examines the relationship between childhood physical and sexual abuse and the types of crimes committed by male adult offenders. We use the method of discriminant prediction to determine whether independent and dependent variables are related in ways that theories predict. Our analyses of data from the Survey of Inmates in State and Federal Correctional Facilities suggest that offenders model specific behaviors to which they have been exposed. Male offenders who were sexually abused as a child are more likely to commit sexual offenses, particularly sexual offenses against children, than nonsexual offenses. Offenders who were physically abused are more likely to engage in violent offenses than nonviolent offenses. Further analyses show that sexual offenders, and to a lesser extent violent offenders, are likely to specialize in those offenses. Our results are consistent with a social learning approach. They address a heretofore neglected issue: what exactly do children model when they are mistreated. Aggr. Behav. 35:489–501, 2009. © 2009 Wiley‐Liss, Inc. 相似文献
615.
In the present article, we present four experiments in which we examined whether mental imagery can initiate retrieval-induced
forgetting. Participants were presented with word pairs (Experiments 1, 2, and 3) or narratives (Experiment 4) and then engaged
in selective mental imagery about half of the details from half of the categories. The results indicated that mental imagery
can produce the same pattern of impairment as retrieval practice (Experiment 1) and postevent questioning (Experiment 4).
Additionally, mental imagery-invoked, retrievalinduced forgetting was found for category cued recall (Experiments 1, 3, and
4) and cued recall (Experiment 2); it was found to dissipate across a 24-h delay, but only when there was no pre-delay test
(Experiment 3). Such retrieval-induced forgetting was also found for imagining from the first-person and third-person perspectives
(Experiment 4). From these findings, we suggest that the underlying retrieval processes behind mental imagery can initiate
retrieval-induced forgetting. The findings are discussed in terms of inhibitory processes. 相似文献
616.
Although many previous studies have shown that body-based sensory modalities such as vestibular, kinesthetic, and efferent information are useful for acquiring spatial information about one's immediate environment, relatively little work has examined how these modalities affect the acquisition of long-term spatial memory. Three groups of participants learned locations along a 146 m indoor route, and subsequently pointed to these locations, estimated distances between them, and constructed maps of the environment. One group had access to visual, proprioceptive, and inertial information, another had access to matched visual and matched inertial information, and another had access only to matched visual information. In contrast to previous findings examining transient, online spatial representations, our results showed very few differences among groups in the accuracy of the spatial memories acquired. The only difference was the improved pointing accuracy of participants who had access to proprioceptive information relative to that of participants in the other conditions. Results are discussed in terms of differential sensory contributions to transient and enduring spatial representations. 相似文献
617.
Joël Billieux Martial Van der Linden Mathieu d'Acremont Grazia Ceschi Ariane Zermatten 《Applied cognitive psychology》2007,21(4):527-537
Several authors have studied the risks arising from the growth in mobile phone use (e.g. large debts incurred by young people, banned or dangerous use of cellular phones). The aim of this study is to analyse whether impulsivity, which has often been related to various forms of addictive behaviours, is associated with massive use of and dependence on the mobile phone. In this study, 108 female undergraduate psychology students were screened using a questionnaire evaluating actual use of and perceived dependence on the mobile phone, and with the French adaptation of the UPPS Impulsive Behavior Scale. This scale identifies four distinct components associated with impulsive behaviour: Urgency, lack of Premeditation, lack of Perseverance, and Sensation Seeking. The results showed that a relationship can be established between the use of and perceived dependence on the cellular phone and two facets of impulsivity: Urgency and lack of Perseverance. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
618.
Body checking behaviours and cognitions are seen as underlying the core pathology of eating disorders-the over-evaluation of eating, shape and weight. While it has been demonstrated that levels of behaviours and cognitions differentiate eating-disordered women from non-eating-disordered women, little is known with regard to how these findings relate to diagnostic group. This study aimed to determine whether body checking cognitions and behaviours are best understood with regard to diagnostic category or symptom presentation. Eighty-four eating-disordered women (with diagnoses of anorexia nervosa, bulimia nervosa, binge eating disorder or other Eating Disorders Not Otherwise Specified) completed measures of body checking behaviours and cognitions and eating psychopathology. Results showed that different aspects of body checking were more closely associated with diagnosis and with symptom presentation. Anorexia nervosa and binge-eating-disorder patients had particularly low levels of body checking behaviours and some related cognitions. However, the belief that body checking allows one to be accurate in knowing one's weight was associated with binging and vomiting behaviours, rather than diagnosis. Future directions for research include understanding the links between body checking phenomena and neurological features. Clinical implications are discussed. 相似文献
619.
A sociocognitive model of distal and proximal predictors of empathic judgments was tested among 100 physicians. The authors hypothesized that physician perceived control would affect empathy ratings via physician communication style. Specifically, physicians with high perceived control would use more open communication and be rated as more empathic. Physicians with low perceived control would use a controlling communication style and be rated as less empathic. Physicians completed a medical attribution questionnaire prior to a structured patient consultation exercise, during which patients and assessors rated physician empathy. The exercise was audiotaped, transcribed, and content analyzed for verbal behaviors. Support was found for the hypotheses; however, patients, but not medical assessors, associated empathy with reassurance and provision of medical information. 相似文献
620.
Joëlle Proust 《Synthese》2007,159(2):271-295
Metacognition is often defined as thinking about thinking. It is exemplified in all the activities through which one tries
to predict and evaluate one’s own mental dispositions, states and properties for their cognitive adequacy. This article discusses
the view that metacognition has metarepresentational structure. Properties such as causal contiguity, epistemic transparency
and procedural reflexivity are present in metacognition but missing in metarepresentation, while open-ended recursivity and
inferential promiscuity only occur in metarepresentation. It is concluded that, although metarepresentations can redescribe
metacognitive contents, metacognition and metarepresentation are functionally distinct. 相似文献