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Individuals differ in their willingness to engage with disgusting stimuli (e.g., dirty diapers). We propose that such differences are associated with attitudes towards disgust. Specifically, we predicted that people with less negative attitudes towards disgust (i.e., those who evaluate disgust less negatively) would be more willing to engage with disgusting stimuli. We asked participants to engage with disgusting stimuli in the laboratory and used two measures that assess behavioural and affective or cognitive components of attitudes towards disgust. As predicted, less negative attitudes towards disgust were associated with greater engagement with disgusting stimuli, above and beyond the current experience of disgust and the tendency to experience disgust. These findings stress the importance of attitudes towards emotions in understanding emotion-relevant behaviour. 相似文献
43.
Over the last decade, iterated learning studies have provided compelling evidence for the claim that linguistic structure can emerge from non-structured input, through the process of transmission. However, it is unclear whether individuals differ in their tendency to add structure, an issue with implications for understanding who are the agents of change. Here, we identify and test two contrasting predictions: The first sees learning as a pre-requisite for structure addition, and predicts a positive correlation between learning accuracy and structure addition, whereas the second maintains that it is those learners who struggle with learning and reproducing their input who add structure to it. This prediction is hard to test in standard iterated learning paradigms since each learner is exposed to a different input, and since structure and accuracy are computed using the same test items. Here, we test these contrasting predictions in two experiments using a one-generation artificial language learning paradigm designed to provide independent measures of learning accuracy and structure addition. Adults (N = 48 in each study) were exposed to a semi-regular language (with probabilistic structure) and had to learn it: Learning was assessed using seen items, whereas structure addition was calculated over unseen items. In both studies, we find a strong positive correlation between individuals' ability to learn the language and their tendency to add structure to it: Better learners also produced more structured languages. These findings suggest a strong link between learning and generalization. We discuss the implications of these findings for iterated language models and theories of language change more generally. 相似文献
44.
S. D. Noam Cook 《Knowledge, Technology, and Policy》2010,23(3-4):455-459
Joseph C. Pitt, based on his understanding of trust and of technology, makes the provocative argument that trusting technology is actually a matter of trusting people. I agree with Pitt’s conclusion but differ with him on the nature of trust. I contend, nonetheless, that my understanding of trust actually reinforces Pitt’s characterization of technology as “humanity at work.” 相似文献
45.
We analyze the dynamics of repeated interaction of two players in the Prisoner's Dilemma (PD) under various levels of interdependency information and propose an instance‐based learning cognitive model (IBL‐PD) to explain how cooperation emerges over time. Six hypotheses are tested regarding how a player accounts for an opponent's outcomes: the selfish hypothesis suggests ignoring information about the opponent and utilizing only the player's own outcomes; the extreme fairness hypothesis weighs the player's own and the opponent's outcomes equally; the moderate fairness hypothesis weighs the opponent's outcomes less than the player's own outcomes to various extents; the linear increasing hypothesis increasingly weighs the opponent's outcomes at a constant rate with repeated interactions; the hyperbolic discounting hypothesis increasingly and nonlinearly weighs the opponent's outcomes over time; and the dynamic expectations hypothesis dynamically adjusts the weight a player gives to the opponent's outcomes, according to the gap between the expected and the actual outcomes in each interaction. When players lack explicit feedback about their opponent's choices and outcomes, results are consistent with the selfish hypothesis; however, when this information is made explicit, the best predictions result from the dynamic expectations hypothesis. 相似文献
46.
Predicting the use of corporal punishment: Child aggression,parent religiosity,and the BDNF gene 下载免费PDF全文
47.
Noam Gil 《Journal of Modern Jewish Studies》2018,17(3):326-341
This essay discusses the recurring preoccupation in Jewish literature with the character of the nudnik, a popular figure in Jewish culture but a rather neglected one in scholarly studies. Even though the nudnik appears in many stories throughout the years, from Sholem Aleichem’s, through Franz Kafka’s, to Isaac Bashevis Singer’s stories and novels – nowhere was he more prominent than in post–World War II Jewish American fiction, more specifically in the short stories and novels of Philip Roth and Bernard Malamud. Both Roth and Malamud depict the nudnik as an embodiment of a generational divide, between the tormented Americanized young and the tormenting “Ostjuden” old. And yet, while Malamud’s nudniks serve as a critique on the fate of Jewish culture and tradition in post-Holocaust America, Roth identifies the character of the nudnik as a contaminating element that will forever haunt the younger individual. By discussing the Yiddish term “nudnik” and its ambivalent and unsettling nature in these writers’ texts, this essay will highlight the cultural impact on modern Jewish identity of the nudnik within each story. 相似文献
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How the Consideration of Positive Emotions Influences Persuasion: The Differential Effect of Pride Versus Joy 下载免费PDF全文
Although pride and joy are both positive emotions, we expected their consideration to affect persuasion differently because of the different perspectives (near vs. distant) and level of abstractness they involve, with pride being more abstract than joy. Therefore, we predicted that when the attitude object is construed at a high level rather than a low level, the consideration of pride is likely to promote more persuasion than the consideration of joy. In three studies, we found that the consideration of pride, when featured in the persuasion message (Studies 1a and 1b) or incidentally (Study 2), increased persuasion more than did the consideration of joy, when the persuasion object was temporally distant compared with temporally near (Studies 1a and 1b) or construed as a high‐level category compared with a more concrete individual (Study 2). These findings advance our understanding of the ways in which specific emotions may affect persuasion, beyond valence. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
50.
Groups of animals—flocks, herds, shoals, and swarms—are often dynamical entities. Relative positions of group members change,
and most groups divide and re-form on multiple timescales. Few studies, however, have attempted to define when an animal is
or is not within a group. Most authors adopt arbitrary distance thresholds, such as the elective group size (EGS), which assume
that animals closer than some threshold distance are in the same group. In the present article, we define a group-membership
criterion derived from dynamical statistical considerations and based on detailed trajectories of all members of a moving
group. We demonstrate the use of our criterion to track the comings and goings in shoals of zebrafish (Danio rerio) and the gradual dissolution of the shoal across multiple exposures to a testing tank. We present a novel measure of group
cohesion based on our group membership criterion and demonstrate that excursions away from the shoal explain some previous
observations of the dynamics of shoaling. Finally, we show that excursions away from a shoal are accompanied by an increase
in swimming speed. Applying similar criteria to data from other species may clarify some of the common features of animal
collective motion. 相似文献