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61.
Why do young people, especially young men, engage in reckless driving despite the fact that this behavior contradicts the basic biological imperative of self-preservation? Answering this interesting and crucial question may lead to effective interventions. A series of studies, based on terror management theory, examined the effects of reminders of death on risk taking while driving. The dependent measures were either self-reported behavioral intentions of risky driving or driving speed in a car simulator. Findings showed that mortality-salience inductions led to more risky driving than the control condition only among individuals who perceived driving as relevant to their self-esteem. The introduction of positive feedback about driving eliminated this effect. The complex role of self-esteem in the process of risk taking is discussed.  相似文献   
62.
Differences between dyslexics and controls in the unimanual and bimanual conditions of the peg placement section of the Purdue Pegboard Test were examined. Twenty-three disabled and twenty-three normal readers were studied. The groups were carefully screened on a neuropsychological battery. The disabled readers were comprised of a relatively homogeneous language-disordered subgroup exhibiting deficits in naming. Significant Group X Condition interactions were obtained for both raw and percentile scores and indicated that disabled readers performed worse than controls in the unimanual compared to bimanual conditions. The dyslexics performed particularly poorly compared with controls on the left hand condition. The implications of these data for hypotheses which argue for left hemisphere dysfunction, as well as those which posit interhemispheric transfer deficits in reading disabled children, are discussed.  相似文献   
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64.
In an attempt to regulate disappointments people may sometimes change their perceptions of the events leading to an undesirable outcome so that in retrospect this outcome seems almost inevitable. This retroactive pessimism effect was demonstrated in three studies. In the first, sports fans rated the likelihood of success for their team and its opponent before and after an important soccer match. Evidence for significant pre‐ and post‐game probability shifts was found for the fans of the defeated team but not for the supporters of the winning opponent. In the second and the third experiments participants responded to a scenario depicting a loss of stipend that was either large or small in value. Participants were expected to show more evidence of retroactive pessimism with greater disappointment. Indeed, estimates of the probability of a more favorable counterfactual outcome were sensitive to the magnitude of the loss with lower estimates of the probability that things could have turned out better in the large stipend condition. The effect was attenuated, however, when the loss was not personal but rather that of a friend (Experiment 2), or when the disappointment was mitigated (Experiment 3). Copyright © 2002 John Wiley & Sons, Ltd.  相似文献   
65.
Various experiments revealed that if an animal learns a stimulus–response–reinforcer relationship in one context and is then tested in another context there is usually a lessening of stimulus control, and the same discriminative stimuli that reliably controlled the behavior in the first context will have less effect in the new context. This reduction in performance is known as the context shift effect. The effect of changing context on the probability of detecting explosives was investigated in seven highly trained explosives detection dogs (EDDs). In experiment 1 the dogs were trained alternately on path A, which always had five hidden explosives, and on a very similar path B, which never had any explosives. Within a few sessions the dogs showed a significant decrease in search behavior on path B, but not on path A. In experiment 2 the same dogs were trained only on path B with a target density of one explosive hidden every 4th day. The probability of the dogs now detecting the explosive was found to be significantly lower than in experiment 1. In experiment 3 the effect of the low target density as used in experiment 2 was investigated on a new but very similar path C. Both the detection probability for the one explosive every 4th day on the new path and the motivation to search were significantly higher than found in experiment 2. Finally, in experiment 4, an attempt was made to recondition the dogs to search on path B. Although trained for 12 daily sessions with one explosive hidden every session, the dogs failed to regain the normal levels of motivation they had shown on both new paths and on the paths that they knew usually contained explosives. The findings reveal that even a very intensively trained EDD will rapidly learn that a specific stretch of path does not contain explosives. The dog will then be less motivated to search and will miss newly placed targets. This learning is specific to the formerly always-clean path and is to some extent irreversible. However, the dog will search and detect normally on new paths even if they are very similar to the always-clean path. The data are discussed in terms of variables affecting renewal. The results suggest that following training designed to make a behavior context independent, any extinction training will not generalize beyond that specific context used during the extinction training. In addition, if the behavior is extinguished in a specific context, it will be very difficult to restore that behavior in that context. These conclusions should be considered by anyone attempting to extinguish well-established trans-context behaviors.This research reports portions of a doctoral dissertation submitted by Irit Gazit to Tel Aviv University.  相似文献   
66.
This article presents a theoretical model of the process by which students construct and elaborate explanations of scientific phenomena using visual representations. The model describes progress in the underlying conceptual processes in students’ explanations as a reorganization of fine-grained knowledge elements based on the Knowledge in Pieces perspective. The core case study involved a pair of fifth-grade students who generated visual representations to explain the phases of the moon and collaboratively elaborated and improved their representations and explanations. The model describes the process of developing explanations as iterations of temporarily stable stages of coherence. The progression from one temporary coherent structure to the next is described as the increase of Resolution and/or Range of the explanation. Resolution and Range are newly defined theoretical constructs. The model accounts for the continuity in the students’ developing understanding and highlights the productive nature of their intuitive knowledge resources.  相似文献   
67.
This article examines the concept of the rule of law as perceived by the Israeli public and decision‐makers during Israel’s early years. The purpose of the article is to examine the relationship between policy‐makers and the general public in the early stages of Israeli statehood. The “rule of law” is employed to facilitate greater understanding of the weaknesses or even failures of the austerity policy and to unveil some of the mechanisms leading to public disobedience, during times of nation‐building fervour. The roles of the public, policy‐makers, law enforcement apparatus and adjudicators in shaping the social order and economic reality is addressed.  相似文献   
68.
This study focused on the contribution of fear to mediating stress, as manifested in general stress reactions and impaired functioning resulting from exposure to a continuous security threat among 451 students from a college located in a confrontation zone. The findings indicated that the contribution of fear reactions was more significant than actual exposure. Married participants felt higher levels of fear than did single participants, and women were able to function despite their fear. In addition, coping patterns were both directly and indirectly related to all stress measures. The results are discussed in light of the literature on stress reactions, and practical recommendations for working in continuous threat situations are proposed.  相似文献   
69.
Journal of Child and Family Studies - Giving birth to a preterm infant has significant implications on the mother’s life. The purpose of this study was to compare occupational performance...  相似文献   
70.
Assuming that culture is a multidimensional variable, the current study explored the possibility that the interactions between ethnicity and other culture-related variables--rather than ethnicity alone--will better describe differences in coping behavior. In the study, cross-cultural differences among Israeli Jews and Israeli Druze in the use of various ways of coping were examined while also taking into account respondents' gender, age, self-esteem, sense of coherence, national identification, and religiosity. Comparing Israeli Jews and Israeli Druze, results indicate significant differences in levels of religiosity and coherence. Referring to coping behavior, findings show that differences in ways of coping could be attributed mainly to gender differences rather than ethnic differences Thus, at least in the case of comparing Israeli Jews vs. Israeli Druze, religiosity and gender are powerful determinants of coping behavior, while ethnicity has only a limited contribution in explaining variance in a preferred way of coping. It is suggested that ethnicity has a moderating role in shaping coping behavior, as it might influence person's self-perception and level of emotionality, which in turn shape the person's ways of coping. Future explorations among various age and ethnic groups are needed to enable generalization of the current study findings.  相似文献   
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