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751.
Nicolas Guéguen Angélique Martin Jordy Stefan 《European journal of social psychology》2017,47(5):539-552
Research has shown that exposure to the national flag alters people's behavior and political and intergroup judgments. In several field studies conducted in an area of France with a strong regional identity, we examined the effect of the presence of the regional flag versus the national flag versus no flag on behaviors. Various situations (e.g., money solicitation, implicit helping behavior, food tasting) were tested in Brittany, on the French west Atlantic coast. Car drivers, passersby in the street, and patrons in bakeries were exposed to no flag versus the French flag versus the Brittany flag held by requesters or presented on a product or on a car. Findings showed that the regional flag increased helping behavior dramatically. Other studies also revealed that the presence of the Brittany flag reduced aggressiveness and influenced preference for food products. The power of a flag as a symbol that could increase in‐group membership is discussed. 相似文献
752.
Ample research demonstrated that empathizing with someone in need promotes helping that person. Two studies examined whether this effect of empathy on helping behavior holds across different emotional reactions expressed by a target in need. Results of Study 1 indicate that perspective taking with a sad needy target increased empathic concern which, in turn, fostered helping the individual. This relation was not found for participants taking the perspective of angry or disgusted needy targets. Study 2 provides further support for the underlying mechanism of the results of Study 1. Perspective taking with a sad needy target increased empathizers’ empathic concern because perception of target neediness was increased. Again, this pattern was not found for perspective taking with an angry needy target. The findings correspond to theorizing on the role of emotions in person perception. Hence, the current research provides insights regarding the boundary conditions of the empathy-helping association. 相似文献
753.
Maren Stropahl Sebastian Schellhardt Stefan Debener 《Psychonomic bulletin & review》2017,24(3):863-872
The concurrent presentation of different auditory and visual syllables may result in the perception of a third syllable, reflecting an illusory fusion of visual and auditory information. This well-known McGurk effect is frequently used for the study of audio-visual integration. Recently, it was shown that the McGurk effect is strongly stimulus-dependent, which complicates comparisons across perceivers and inferences across studies. To overcome this limitation, we developed the freely available Oldenburg audio-visual speech stimuli (OLAVS), consisting of 8 different talkers and 12 different syllable combinations. The quality of the OLAVS set was evaluated with 24 normal-hearing subjects. All 96 stimuli were characterized based on their stimulus disparity, which was obtained from a probabilistic model (cf. Magnotti & Beauchamp, 2015). Moreover, the McGurk effect was studied in eight adult cochlear implant (CI) users. By applying the individual, stimulus-independent parameters of the probabilistic model, the predicted effect of stronger audio-visual integration in CI users could be confirmed, demonstrating the validity of the new stimulus material. 相似文献
754.
Stefan Schröder 《Journal of Contemporary Religion》2017,32(1):33-49
This article provides a comparison of the New Atheism with German organized Humanism in terms of agendas and strategies. It draws on British and American as well as German discourses on the New Atheism and fieldwork on the Giordano Bruno Foundation (Giordano Bruno Stiftung) and the German Humanist Association (Humanistischer Verband Deutschlands). With reference to Johannes Quack’s nonreligion approach, contextual differences are highlighted in order to explain heterogeneities between the New Atheism and organized Humanism in Germany. However, further differences between the two organizations show that context is not everything. The article concludes by raising the question of how these differences should be interpreted: in contrast to the widespread opinion that organized nonreligion is constituted of small competing splinter groups, it suggests that we may observe the development of an international or even transnational movement, which is heckling its religious opponents from different directions. 相似文献
755.
Rats retain source memory (memory for the origin of information) over a retention interval of at least 1 week, whereas their spatial working memory (radial maze locations) decays within approximately 1 day. We have argued that different forgetting functions dissociate memory systems. However, the two tasks, in our previous work, used different reward values. The source memory task used multiple pellets of a preferred food flavor (chocolate), whereas the spatial working memory task provided access to a single pellet of standard chow-flavored food at each location. Thus, according to the reward-value hypothesis, enhanced performance in the source memory task stems from enhanced encoding/memory of a preferred reward. We tested the reward-value hypothesis by using a standard 8-arm radial maze task to compare spatial working memory accuracy of rats rewarded with either multiple chocolate or chow pellets at each location using a between-subjects design. The reward-value hypothesis predicts superior accuracy for high-valued rewards. We documented equivalent spatial memory accuracy for high- and low-value rewards. Importantly, a 24-h retention interval produced equivalent spatial working memory accuracy for both flavors. These data are inconsistent with the reward-value hypothesis and suggest that reward value does not explain our earlier findings that source memory survives unusually long retention intervals. 相似文献
756.
Rinkenauer G Osman A Ulrich R Muller-Gethmann H Mattes S 《Journal of experimental psychology. General》2004,133(2):261-282
Lateralized readiness potentials (LRPs) were used to determine the stage(s) of reaction time (RT) responsible for speed-accuracy trade-offs (SATs). Speeded decisions based on several types of information were examined in 3 experiments, involving, respectively, a line discrimination task, lexical decisions, and an Erikson flanker task. Three levels of SAT were obtained in each experiment by adjusting response deadlines with an adaptive tracking algorithm. Speed stress affected the duration of RT stages both before and after the start of the LRP in all experiments. The latter effect cannot be explained by guessing strategies, by variations in response force, or as an indirect consequence of the pre-LRP effect. Contrary to most models, it suggests that SAT can occur at a late postdecisional stage. 相似文献
757.
Abstract— Research has shown that backward masking is a powerful tool for studying unconscious mental processes. Whereas studies have traditionally presented stimuli using cathode-ray tube (CRT) monitors or mechanical shutters together with slide projectors, recent studies (mainly in functional magnetic resonance imaging, fMRI) have begun to use methods based on liquid crystal displays (LCDs) and thin-film transistor (TFT) technology. However, because of differences in technology, all methods may not be equally suited for masking. When methods were compared for their accuracy in presenting pictures at short durations, LCD and TFT presentations had poor accuracy, but shutter and CRT presentations had better accuracy. Because CRTs interfere with the imaging process in fMRI, we recommend the use of mechanical shutters. However, our results may not generally apply to all displays, so we advise researchers to validate the presentation parameters of their displays. The procedure described here may be useful for that purpose. 相似文献
758.
Scientific LogAnalyzer is a platform-independent interactive Web service for the analysis of log files. Scientific LogAnalyzer
offers several features not available in other log file analysis tools—for example, organizational criteria and computational
algorithms suited to aid behavioral and social scientists. Scientific LogAnalyzer is highly flexible on the input side (unlimited
types of log file formats), while strictly keeping a scientific output format. Features include (1) free definition of log
file format, (2) searching and marking dependent on any combination of strings (necessary for identifying conditions in experiment
data), (3) computation of response times, (4) detection of multiple sessions, (5) speedy analysis of large log files, (6)
output in HTML and/or tab-delimited form, suitable for import into statistics software, and (7) a module for analyzing and
visualizing drop-out. Several methodological features specifically needed in the analysis of data collected in Internet-based
experiments have been implemented in the Web-based tool and are described in this article. A regression analysis with data
from 44 log file analyses shows that the size of the log file and the domain name lookup are the two main factors determining
the duration of an analysis. It is less than a minute for a standard experimental study with a 2 × 2 design, a dozen Web pages,
and 48 participants (ca. 800 lines, including data from drop-outs). The current version of Scientific LogAnalyzer is freely
available for small log files. Its Web address ishttp://genpsylab-logcrunsh.unizh.ch/. 相似文献
759.
Heinrichs N Rapee RM Alden LA Bögels S Hofmann SG Oh KJ Sakano Y 《Behaviour research and therapy》2006,44(8):1187-1197
Cultural considerations in social anxiety are a rarely investigated topic although it seems likely that differences between countries in social norms may relate to the extent of social anxiety. The present study investigated individuals' personal and perceived cultural norms and their relation to social anxiety and fear of blushing. A total of 909 participants from eight countries completed vignettes describing social situations and evaluated the social acceptability of the behavior of the main actor both from their own, personal perspective as well as from a cultural viewpoint. Personal and cultural norms showed somewhat different patterns in comparison between types of countries (individualistic/collectivistic). According to reported cultural norms, collectivistic countries were more accepting toward socially reticent and withdrawn behaviors than was the case in individualistic countries. In contrast, there was no difference between individualistic and collectivistic countries on individuals' personal perspectives regarding socially withdrawn behavior. Collectivistic countries also reported greater levels of social anxiety and more fear of blushing than individualistic countries. Significant positive relations occurred between the extent to which attention-avoiding behaviors are accepted in a culture and the level of social anxiety or fear of blushing symptoms. These results provide initial evidence that social anxiety may be related to different cultural norms across countries. 相似文献
760.
Schulz-Hardt S Brodbeck FC Mojzisch A Kerschreiter R Frey D 《Journal of personality and social psychology》2006,91(6):1080-1093
The effect of diversity in individual prediscussion preferences on group decision quality was examined in an experiment in which 135 three-person groups worked on a personnel selection case with 4 alternatives. The information distribution among group members constituted a hidden profile (i.e., the correct solution was not identifiable on the basis of the members' individual information and could be detected only by pooling and integrating the members' unique information). Whereas groups with homogeneous suboptimal prediscussion preferences (no dissent) hardly ever solved the hidden profile, solution rates were significantly higher in groups with prediscussion dissent, even if none of these individual prediscussion preferences were correct. If dissent came from a proponent of the correct solution, solution rates were even higher than in dissent groups without such a proponent. The magnitude of dissent (i.e., minority dissent or full diversity of individual preferences) did not affect decision quality. The beneficial effect of dissent on group decision quality was mediated primarily by greater discussion intensity and to some extent also by less discussion bias in dissent groups. 相似文献