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61.
Background. The relationship between executive functions and mathematical skills has been studied extensively, but results are inconclusive, and how this relationship evolves longitudinally is largely unknown. Aim. The aim was to investigate the factor structure of executive functions in inhibition, shifting, and updating; the longitudinal development of executive functions and mathematics; and the relation between them. Sample. A total of 211 children in grade 2 (7–8 years old) from 10 schools in the Netherlands. Method. Children were followed in grade 1 and 2 of primary education. Executive functions and mathematics were measured four times. The test battery contained multiple tasks for each executive function: Animal stroop, local global, and Simon task for inhibition; Animal Shifting, Trail Making Test in Colours, and Sorting Task for shifting; and Digit Span Backwards, Odd One Out, and Keep Track for updating. The factor structure of executive functions was assessed and relations with mathematics were investigated using growth modelling. Results. Confirmatory factor analysis (CFA) showed that inhibition and shifting could not be distinguished from each other. Updating was a separate factor, and its development was strongly related to mathematical development while inhibition and shifting did not predict mathematics in the presence of the updating factor. Conclusions. The strong relationship between updating and mathematics suggest that updating skills play a key role in the maths learning process. This makes updating a promising target for future intervention studies.  相似文献   
62.
A key criticism of the main diagnostic tool in psychiatry, the Diagnostic and Statistical Manual of Mental Health Disorders (DSM-IV), is that it lacks a biological footing. In this article, we argue for a biological approach to psychiatry based on 'neurocognitive endophenotypes', whereby changes in behavioural or cognitive processes are associated with discrete deficits in defined neural systems. We focus on the constructs of impulsivity and compulsivity as key examples of the approach and discuss their possible cross-diagnostic significance, applying them to co-morbidities and commonalities across a range of disorders (attention-deficit/hyperactivity disorder, substance dependence, obsessive-compulsive disorder and eating disorders). We argue that this approach has important implications for the future classification of psychiatric disorders, genetics and therapeutics.  相似文献   
63.
Variability in strategy selection is an important characteristic of learning new skills such as mathematical skills. Strategies gradually come and go during this development. In 1996, Siegler described this phenomenon as "overlapping waves." In the current microgenetic study, we attempted to model these overlapping waves statistically. In addition, we investigated whether development in strategy selection is related to development in accuracy and to what degree working memory is related to both. We expected that children with poor working memory are limited in their possibilities to make the associations that are necessary to progress to more mature strategies. This limitation would explain the often-found relationship between working memory and mathematical abilities. To this aim, the strategy selection and accuracy of 98 children who were learning single-digit multiplication was assessed eight times on a weekly basis. Using latent growth modeling for categorical data, we confirmed Siegler's hypothesis of overlapping waves. Moreover, both the intercepts and the slopes of strategy selection and accuracy were strongly interrelated. Finally, working memory predicted both strategy selection and accuracy, confirming that working memory is related to mathematical problem solving in two ways because it influences both the maturity of strategy choice and the probability of making procedural mistakes.  相似文献   
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65.
In 3 studies and 2 pilot experiments, the author examined whether attending to the subjective status of mental representations would affect the ways humans view representational contents. The author found that simple drawing tasks were executed differently depending on whether or not the subject of the drawing was defined as a mental content (belief, imagination, perception). The results challenged particular lay epistemological concepts. They were partly accounted for by Gricean conversational rules (H. P. Grice, 1975), but the author postulated a subjective status bias to fully explain them. The discussion and recommendations for research center on the nature of this bias and relate it either to a tendency to conceive subjective representations as vague shadows of reality, or to an increased impact of the law of pregnance.  相似文献   
66.
The present paper focuses on third-parties’ decisions to punish and reward in social dilemmas, and on the moderating role of environmental uncertainty (i.e., uncertainty about the size of the common resource). We argue and demonstrate that in social dilemmas third-parties use the equality rule as a strict benchmark to determine punishments (Study 1) as well as rewards (Study 2), but only under environmental certainty. Under environmental uncertainty, third-parties do not apply such a strict benchmark to distinguish cooperators from defectors. Instead, they appear to use the following rule: the more an individual group member has cooperated the less he/she should be punished (Study 1) and the more he/she should be rewarded (Study 2). As such, these findings are the first to demonstrate that third-party sanctioning decisions are moderated by environmental uncertainty.  相似文献   
67.
Agentic female leaders risk social and economic penalties for behaving counter-stereotypically (i.e., backlash; Rudman, 1998), but what motivates prejudice against female leaders? The status incongruity hypothesis (SIH) proposes that agentic women are penalized for status violations because doing so defends the gender hierarchy. Consistent with this view, Study 1 found that women are proscribed from dominant, high status displays (which are reserved for leaders and men); Studies 2–3 revealed that prejudice against agentic female leaders was mediated by a dominance penalty; and in Study 3, participants' gender system-justifying beliefs moderated backlash effects. Study 4 found that backlash was exacerbated when perceivers were primed with a system threat. Study 5 showed that only female leaders who threatened the status quo suffered sabotage. In concert, support for the SIH suggests that backlash functions to preserve male dominance by reinforcing a double standard for power and control.  相似文献   
68.
    
Prior research has shown that reduced autobiographical memory specificity predicts an increase in post-traumatic stress severity in traumatised individuals. Studies have also demonstrated that reduced memory specificity predicts later symptoms of depression after pregnancy-related life stress. So far, no reported studies have tested the predictive value of memory specificity at the onset of a potentially traumatic situation. Therefore the aim of the present study was to investigate whether prenatal memory specificity would predict post-traumatic stress after complicated pregnancy. The results demonstrate that women who retrieved fewer specific memories with a pregnancy-related content to positive cues during pregnancy (i.e., directly after hospitalisation) reported more post-traumatic stress 6 weeks after giving birth. This relationship remained significant after controlling for variables that were related to both baseline autobiographical memory specificity and later post-traumatic stress. A similar pattern was found for depression symptomatology, even when somatic symptoms were excluded from the analyses. Taken together, these data suggest that the relationship of memory specificity with later depression can be generalised to post-traumatic stress symptoms.  相似文献   
69.
    
This daily diary study among 55 dyads of co-workers working within the same unit examined the crossover of expansive job crafting which, framed within the Job-Demands Resources Model, consists of two distinct behaviours: seeking challenges and seeking resources. We hypothesized that seeking resources and seeking challenges are transferred from one employee (actor) to the other (partner) on a daily basis and that there is more crossover of job crafting from actor to partner when the partner is high in empathy. Moreover, job crafting was expected to relate positively to daily adaptation to changes as measured both by self-reports and peer-reports. Multilevel analyses confirmed the crossover of seeking challenges and partly confirmed the crossover of seeking resources. Empathy of the partner acts as a moderator in this latter crossover process: there is more crossover of seeking resources from actor to partner when the partner is high in empathy. Moreover, day-level seeking resources and seeking challenges were both positively related to self-rated day-level adaptivity. Day-level seeking resources was also positively related to other-rated day-level adaptivity. These results imply that stimulating job crafting within organizations is valuable because it spreads around and can help in the adaptivity to changes.  相似文献   
70.
    
Work–family conflict and enrichment are experiences that occur daily and have substantial consequences for employees, their families, and the organizations that employ them. The aim of the current review is to make a link between life and career stage, work and family conditions, and the work–family interface. The basic proposition is that life stages partly determine career development, and consequently the specific working conditions (job demands and job resources) and family conditions (family demands and family resources) that individuals are exposed to. As a result, the specific demands and resources in the work and family domains determine to what extent individuals experience that work and family are conflicting or enriching life domains. In this review we suggest that individuals in early adulthood will experience high inter‐role conflict and low facilitation due to high demands and low resources in both life domains, while individuals in late adulthood will experience the opposite pattern; that is, low conflict and high facilitation due to low demands and high resources in both domains. Individuals in middle adulthood will experience high work–family conflict but also high family–work facilitation due to the presence of high job demands and resources in both life domains. Integrating life and career stage perspectives and the experience of work–family interface is of notable practical utility because it provides a mechanism to make more informed decisions about the relative need for and corresponding benefits of work–family programs.  相似文献   
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