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201.
We investigated the angular resolution subserving the haptic perception of raised-line drawings by measuring how accurately observers could discriminate between two angle sizes under various conditions. We found that, for acute angles, discrimination performance is highly dependent on exploration strategy: mean thresholds of 2.9 degrees and 6.0 degrees were found for two different exploration strategies. For one of the strategies we found that discriminability is not dependent on the bisector orientation of the angle. Furthermore, we found that thresholds almost double when the angular extent is increased from 20 degrees to 135 degrees. We also found that local apex information has a significant influence on discrimination for acute as well as obtuse angles. In the last experiment we investigated the influence of depiction mode but did not find any effect. Overall, the results tell us that the acuity with which angles in raised-line drawings are perceived is determined by the exploration strategy, local apex information, and global angular extent. 相似文献
202.
We show that every proper normal extension of the bi-modal system S5
2 has the poly-size model property. In fact, to every proper normal extension L of S5
2 corresponds a natural number b(L) - the bound of L. For every L, there exists a polynomial P(·) of degree b(L) + 1 such that every L-consistent formula is satisfiable on an L-frame whose universe is bounded by P(||), where || denotes the number of subformulas of . It is shown that this bound is optimal. 相似文献
203.
Maarten Vansteenkiste Willy Lens Bart Soenens Koen Luyckx 《Motivation and emotion》2006,30(4):273-282
Self-Determination Theory argues that relatedness and autonomy represent innate and universally critical needs and that, when
satisfied, both needs should yield an independent positive effect on well-being and adjustment for all individuals. In contrast,
some cross-cultural perspectives suggest that the pursuit of autonomy hampers the development of satisfying relationships,
and such conflicts might be especially problematic for the well-being of individuals in collectivistic societies that value
social bonds over the pursuit of uniqueness and independence. The present study sampled Chinese students who had temporarily
moved to Belgium to study (i.e., sojourners) and Chinese students involved in the application procedure to study in Belgium
(i.e., applicants). Consistent with SDT, the present research shows that the basic psychological needs for autonomy, relatedness,
and competence are positively interrelated, that the satisfaction of these three needs predicts unique variance in Chinese
students’ psychological well-being, vitality, and depression (i.e., main effects), and that autonomy satisfaction yields a
more beneficial effect on vitality and better protects against depressive feelings when relatedness satisfaction is low (i.e.,
an interaction effect). Finally, mean-level differences in well-being between Chinese sojourners and applicants could be fully
accounted by differential need satisfaction.
相似文献
Maarten VansteenkisteEmail: |
204.
A central question in perception is how stimuli are selected for access to awareness. This study investigated the impact of emotional meaning on detection of faces using the attention blink paradigm. Experiment 1 showed that fearful faces were detected more frequently than neutral faces, and Experiment 2 revealed preferential detection of fearful faces compared with happy faces. To rule out image artifacts as a cause for these results, Experiment 3 manipulated the emotional meaning of neutral faces through fear conditioning and showed a selective increase in detection of conditioned faces. These results extend previous reports of preferential detection of emotional words or schematic objects and suggest that fear conditioning can modulate detection of formerly neutral stimuli. 相似文献
205.
Hybrid logics with Sahlqvist axioms 总被引:3,自引:0,他引:3
206.
207.
Backward masking is a popular method of preventing awareness of facial expressions, but concerns have been expressed as to the effectiveness of masking in previous research, which may have resulted in unjustified claims of unconscious processing. We examined the minimum presentation time for discrimination of fearful, angry, happy and neutral faces in a backward masking task using both objective sensitivity measures, based on signal detection analysis, and subjective awareness ratings. Results from two experiments showed for all expressions the mean sensitivity and the sensitivity scores of most individual participants were above chance at presentation times of 20 ms. Awareness ratings for happy, fearful and angry also exceeded baseline ratings from 20 ms onwards. Overall sensitivity in both experiments was greatest for happy expressions, which is an agreement with previous reports. The results support the possibility of incomplete masking in earlier studies that used masking to prevent awareness of facial expressions. 相似文献
208.
Pride is associated with both prosocial and antisocial behaviour. Do others also infer such behaviours when pride is expressed and does this affect their own prosocial behaviour? We expected that authentic pride (i.e., confidence, accomplishment) would signal and elicit more prosocial behaviour than hubristic pride (i.e., arrogance, conceit). In a first laboratory experiment, a target in a public-good dilemma was inferred to have acted less prosocially when displaying a nonverbal expression of pride versus no emotion. As predicted, inferences of hubristic pride—but not authentic pride—mediated this effect. Participants themselves also responded less prosocially. A second laboratory experiment where a target verbally expressed authentic pride, hubristic pride, or no emotion replicated the effects of hubristic pride and showed that authentically proud targets were assumed to have acted prosocially, but especially by perceivers with a dispositional tendency to take the perspective of others. We conclude that authentic pride is generally perceived as a more prosocial emotion than hubristic pride. 相似文献
209.
Agnes Moors Jan De Houwer Dirk Hermans Sabine Wanmaker Kevin van Schie Anne-Laura Van Harmelen Maarten De Schryver Jeffrey De Winne Marc Brysbaert 《Behavior research methods》2013,45(1):169-177
This article presents norms of valence/pleasantness, activity/arousal, power/dominance, and age of acquisition for 4,300 Dutch words, mainly nouns, adjectives, adverbs, and verbs. The norms are based on ratings with a 7-point Likert scale by independent groups of students from two Belgian (Ghent and Leuven) and two Dutch (Rotterdam and Leiden-Amsterdam) samples. For each variable, we obtained high split-half reliabilities within each sample and high correlations between samples. In addition, the valence ratings of a previous, more limited study (Hermans & De Houwer, Psychologica Belgica, 34:115-139, 1994) correlated highly with those of the present study. Therefore, the new norms are a valuable source of information for affective research in the Dutch language. 相似文献
210.