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41.
Miller NY Shettleworth SJ 《Journal of experimental psychology. Animal behavior processes》2008,34(3):419-422
In a recent article, the authors (Miller & Shettleworth, 2007) showed how the apparently exceptional features of behavior in geometry learning ("reorientation") experiments can be modeled by assuming that geometric and other features at given locations in an arena are learned competitively as in the Rescorla-Wagner model and that the probability of visiting a location is proportional to the total associative strength of cues at that location relative to that of all relevant locations. Reinforced or unreinforced visits to locations drive changes in associative strengths. Dawson, Kelly, Spetch, and Dupuis (2008) have correctly pointed out that at parameter values outside the ranges the authors used to simulate a body of real experiments, our equation for choice probabilities can give impossible and/or wildly fluctuating results. Here, the authors show that a simple modification of the choice rule eliminates this problem while retaining the transparent way in which the model relates spatial choice to competitive associative learning of cue values. 相似文献
42.
Noam Hoffer 《The Southern journal of philosophy》2019,57(2):217-239
In the “Appendix to the Transcendental Dialectic” of the Critique of Pure Reason, Kant contends that the idea of God has a positive regulative role in the systematization of empirical knowledge. But why is this regulative role assigned to this specific idea? Kant's account is rather opaque, and this question has also not received much attention in the literature. In this article, I argue that an adequate understanding of the regulative role of the idea of God depends on the specific metaphysical content Kant attributes to it in the Critique and other writings. I show that neither a heuristic principle of conceptual systematicity, nor conceiving God as a hypothesis of an intelligent designer, can satisfy the demands of reason to make the unity and necessity of the laws of nature intelligible. Regarding the positive account about the metaphysical content of the idea of God, I support my argument by referring to Kant's precritical discussion of the usefulness of the conception of God for the project of science, and by expounding Kant's critical account of the necessity of the laws of nature. Thus, my account sheds light on the continuity of Kant's conception of God and his appropriation of his own rationalistic metaphysics. 相似文献
43.
Emotion regulation appears to play a key role in eating disorders. However, prior attempts to associate specific emotion regulation abilities with specific types of eating disorders resulted in inconsistent findings. Moreover, far less is known about emotion regulation in eating disorders during adolescence, a critical period of emotional development. The current study addresses this gap, comparing emotion regulation characteristics between adolescents with restrictive types of eating disorders and those with binge eating or purging types of eating disorders. Ninety-eight adolescents with eating disorders (49 with restrictive and 49 with binge eating/purging eating disorders) completed a set of questionnaires including the Difficulties in Emotion Regulation Scale (DERS). The results revealed that binge eating/purging types of eating disorders were associated with greater difficulties in a variety of emotion regulation dimensions including impulse control, goal-directed behavior and access to effective emotion regulation strategies. Awareness and clarity of emotions were also worse in the binge eating/purging types of eating disorders, but this difference did not remain when comorbid psychopathology measures were controlled for. Moreover, the emotion regulation profile of adolescents with anorexia nervosa-binging/purging type was more similar to that of adolescents with bulimia nervosa than to that of adolescents with anorexia nervosa-restrictive type. While both restrictive and binge eating/purging eating disorders have been associated with emotion regulation difficulties, the current study shows that the presence of binge eating or purging episodes is linked with greater severity of emotion regulation deficits among adolescents with eating disorders. 相似文献
44.
45.
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
46.
Lisa W. Coyne Christine M. Low Alison L. Miller Ronald Seifer Susan Dickstein 《Journal of child and family studies》2007,16(4):483-497
Mothers’ empathic understanding of their children’s motives, thoughts, and feelings is thought to guide parenting behaviors
and shape the mother-child relationship. However, little is known about the relation between empathic understanding and parenting
behaviors during developmental shifts that may be emotionally challenging for mothers, such as the transition from infancy
to the toddler years, or how it may relate to maternal depressive symptoms. We assessed relations between maternal empathic
understanding, depression, and sensitivity. We developed a coding system, the Empathic Understanding Assessment (EUA), to
measure this construct in the mothers of 30-month old children. One hundred twenty eight mother-child pairs participated in
a series of lab-based tasks designed to be challenging for the children. Mothers then watched these videotaped interactions
and responded to questions regarding their children’s experiences. Interview content was coded using the EUA. Results indicated
that mothers higher in empathic understanding and more intensely emotional were rated as more sensitive. Maternal depression
was negatively related to empathic understanding. The importance of considering the role of maternal empathic understanding
in parenting behavior is discussed, as are potential implications for child outcomes. 相似文献
47.
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
48.
In recent years, studies have revealed an interaction between two systems of attention—alerting and executive control. Specifically, warning cues increase the influence of cognitive conflict under certain conditions. One of the problems of interpreting this effect is that warning cues can trigger two processes simultaneously—a high arousal state and strategic temporal expectancy. The goal of the present study was to clarify which process underlies the increased congruency effects following a warning event. In two experiments, the influence of warning cues on flanker congruency was examined while controlling for the effects of temporal expectancy and arousal. Experiment 1 revealed a strong effect of warning cues on congruency, even when the warning cues were not temporally predictive. This effect was evident at two short cue-to-target intervals of 100 and 500 ms, but not following a 900-ms interval. Experiment 2 revealed that this effect was not altered even when the warning cues predicted with high certainty that the target would appear at long cue-to-target intervals (e.g., 900 ms). We suggest that the interaction between alerting and executive control reflects the involvement of a subcortical mechanism responsible for increasing arousal. 相似文献
49.
Summary Recent research and theory has stressed the importance of future extension as a parameter in psychological development and in psychopathology. One of the primary methods for assessing future extension has been through fantasy productions to TAT cards or to story stems. Both of these methods have been useful but they are limited because they are dependent in part on verbal fluency. It has been suggested that the Picture Arrangement (PA) subtest of the Wechsler Adult Intelligence Scale assesses anticipation and planning and, as such, it provides a non-verbal measure of future extension. PA scores were found in a pilot study to have a positive and significant relationship to future extension as measured in stories told to story roots, and in the present study to future extension as measured in TAT stories. 相似文献
50.
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