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541.
542.
Gaze following is a fundamental component of triadic social interaction which includes events and an object shared with other individuals and is found in both human and nonhuman primates. Most previous work has focused only on the immediate reaction after following another’s gaze. In contrast, this study investigated whether gaze following is retained after the observation of the other’s gaze shift, whether this retainment differs between species and age groups, and whether the retainment depends on the nature of the preceding events. In the social condition, subjects (1- and 2-year-old human children and chimpanzees) witnessed an experimenter who looked and pointed in the direction of a target lamp. In the physical condition, the target lamp blinked but the experimenter did not provide any cues. After a brief delay, we presented the same stimulus again without any cues. All subjects looked again to the target location after experiencing the social condition and thus showed a carryover effect. However, only 2-year-olds showed a carryover effect in the physical condition; 1-year-olds and chimpanzees did not. Additionally, only human children showed spontaneous interactive actions such as pointing. Our results suggest that the difference between the two age groups and chimpanzees is conceptual and not only quantitative. 相似文献
543.
Reese E Haden CA Baker-Ward L Bauer P Fivush R Ornstein PA 《Journal of cognition and development》2011,12(4):424-462
Personal narratives are integral to autobiographical memory and to identity, with coherent personal narratives being linked to positive developmental outcomes across the lifespan. In this article, we review the theoretical and empirical literature that sets the stage for a new lifespan model of personal narrative coherence. This new model integrates context, chronology, and theme as essential dimensions of personal narrative coherence, each of which relies upon different developmental achievements and has a different developmental trajectory across the lifespan. A multidimensional method of coding narrative coherence (the Narrative Coherence Coding Scheme or NaCCS) was derived from the model and is described here. The utility of this approach is demonstrated by its application to 498 narratives that were collected in six laboratories from participants ranging in age from 3 years to adulthood. The value of the model is illustrated further by a discussion of its potential to guide future research on the developmental foundations of narrative coherence and on the benefits of personal narrative coherence for different aspects of psychological functioning. 相似文献
544.
Background
Despite high relapse rates there is a lack of feasible, effective and efficient interventions to provide aftercare support to patients who complete treatment for an eating disorder. A program based on the short message service (SMS) and text messaging has been developed in order to provide such additional support to patients who undergo inpatient treatment for an eating disorder.Materials and methods
A total of 165 patients with bulimia nervosa or an eating disorder not otherwise specified were randomly assigned either to the intervention group (n?=?82) with access to the text messaging intervention for 4 months following discharge from hospital or to the control group (n?=?83). The efficacy of the intervention was determined via the three eating disorder related subscales of the Eating Disorder Inventory (EDI-2) at 4 and 8 months follow-up and via the frequency of self-reported binge eating and compensatory behaviors (vomiting and abuse of laxatives) in the Short Evaluation of Eating Disorders (SEED) at 8 months follow-up.Results
Participants in the intervention group reported significantly lower impairment on the EDI scales drive for thinness and body dissatisfaction both at 4 and 8 months follow-up. They also reported significantly fewer episodes of binge eating and vomiting. No differences were found for the EDI subscale bulimia and for the frequency of the use of laxatives.Conclusion
The intervention based on text messaging proved efficacious in the aftercare treatment of patients with eating disorders. Chances and limitations concerning its use in the clinical routine as part of a stepped care model are discussed. 相似文献545.
546.
547.
Gerhard Blickle Jochen Kramer Paula B. Schneider James A. Meurs Gerald R. Ferris Jan Mierke Alexander H. Witzki Tassilo D. Momm 《Journal of applied social psychology》2011,41(2):488-514
Political skill is the capacity to understand others in working life effectively, and to apply such knowledge to induce others to act in ways that add to one's personal or organizational goals. The present investigation reported the results of 2 studies designed to examine the job performance prediction effectiveness of political skill when investigated in conjunction with general mental ability (GMA) and personality characteristics. The results demonstrated that political skill accounted for a significant proportion of job performance variance beyond GMA and personality variables cross‐sectionally in Study 1, and predictively (i.e., using a 1‐year timeframe) in Study 2 examining effects on multiple dimensions of job performance. The implications of these results, strengths, limitations, and directions for future research are discussed. 相似文献
548.
Ranger J Ortner T 《The British journal of mathematical and statistical psychology》2012,65(2):334-349
For computer-administered tests, response times can be recorded conjointly with the corresponding responses. This broadens the scope of potential modelling approaches because response times can be analysed in addition to analysing the responses themselves. For this purpose, we present a new latent trait model for response times on tests. This model is based on the Cox proportional hazards model. According to this model, latent variables alter a baseline hazard function. Two different approaches to item parameter estimation are described: the first approach uses a variant of the Cox model for discrete time, whereas the second approach is based on a profile likelihood function. Properties of each estimator will be compared in a simulation study. Compared to the estimator for discrete time, the profile likelihood estimator is more efficient, that is, has smaller variance. Additionally, we show how the fit of the model can be evaluated and how the latent traits can be estimated. Finally, the applicability of the model to an empirical data set is demonstrated. 相似文献
549.
550.
Bauer PJ Stafford Stevens J Jackson FL San Souci P 《Cognitive, affective & behavioral neuroscience》2012,12(1):99-114
We used event-related potentials (ERPs) to examine emotion processing during retrieval of emotional autobiographical memories
by school-age children. We initiated processing of the emotional experiences using neutral cue words. On one-third of trials,
children were instructed to think of a memory of a negative event, and on another third of trials, they were instructed to
think of a memory of a positive event. We then recorded ERPs from 32 electrode sites as the children processed the emotional
memories again later in the testing session. The 7- to 10-year-old children generated memories appropriate to the valences
specified in the instructions. Neural responses differed as a function of the emotional valence of the events associated with
the cues and as a function of gender. In the sample as a whole, differential processing of positive relative to negative and
neutral emotions was apparent at posterior electrode sites 1,000–1,500 ms after stimulus onset. For girls, the effect was
apparent beginning at 500 ms. No differences between the neural responses to negative and neutral stimuli were observed. At
frontal electrode sites, girls evidenced faster processing of positive than of negative emotion, whereas boys evidenced faster
processing of negative than of positive emotion. In conclusion, we discuss the possible origins of gender-differential patterns
of neural processing. 相似文献