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51.
Georges Steffgen Sophie Recchia Wolfgang Viechtbauer 《Aggression and violent behavior》2013,18(2):300-309
There has been significant interest in whether and how school climate and violent behavior are meaningfully related. The present meta-analysis reviewed studies reporting a relationship between school climate and school violence in order to summarize the total effect and the direction of these research findings. Database consultation and literature hand searching yielded 145 articles which were reviewed by two experts. Studies were included if they reported a statistical effect size of the relationship between school climate and school violence. Exclusion criteria were unclear operationalization of the principal variables, research findings from multiple publications, studies using multi-level analysis and qualitative studies. The meta-analysis included 36 independent studies (N = 113,778) with correlations ranging from ? .02 to ? .53. Using a random-effects model a moderate mean effect size of r = ? .26, CI [? 30, ? 21] was found. Statistical findings indicated significant heterogeneity and a large range of variance between studies. Meta-regressions analyzed different potential moderators as relevant factors of heterogeneity, but none of these factors could be identified as a moderator. Due to the large variance between the studies, it remains difficult to draw final conclusions. Nevertheless, the moderate effect size underlines the role of environmental aspects for school violence intervention. 相似文献
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Studies of predictive factors of manual dexterity in adolescents and young adults are lacking. The present longitudinal study reports the relationship between cognitive and behavioural assessments at age 7 years and the schooling, cognitive performance, and manual dexterity at age 17 years. The participants were 65 schoolchildren, 30 boys and 35 girls, from a rural area in France. Assessment at age 7 years included the McCarthy scales and questionnaires measuring the behavior of the child, completed by the mother, the teacher, and the assessing psychologist. Assessment at age 17 years included schooling situation (whether they were in high school or not), cognitive testing (WAIS-R, Trail Making, Verbal Fluency, Cancel H, Stroop, Memory Assessment Scales), and manual dexterity testing (dynamometer, Finger Tapping, Santa Ana Test, Purdue Pegboard). After controlling for effects of parental education and IQ, a negative teachers' rating of children's behaviour and abilities in first-grade (7 years) was correlated with early cessation of schooling, but also, unexpectedly, with higher scores for manual dexterity at 17 years. Manual dexterity was not related to cognitive performance at 17 years. It is suggested that the relationship between manual and cognitive performance varies during development. Although manual exploratory behaviour is an important correlate of early cognitive development, manual dexterity is probably not related to later academic performance. 相似文献
54.
The aim of this study was to measure the inter-instrument reliability of the ActiGraph and RT3 accelerometers in free-living conditions. 15 healthy adults wore eight ActiGraph accelerometers and five RT3 accelerometers fastened to their back with an elastic belt and adjustable buckle in free-living conditions. For both accelerometers, the inter-instrument coefficient of variation (CV) decreased with increasing physical activity intensity. The inter-instrument CV of the ActiGraph (3% to 10.5%) was significantly lower than that of the RT3 (12.6% to 35.5%; p < 0.05). This finding demonstrates that the ActiGraph has higher inter-instrument reliability than the RT3. For both accelerometers, the inter-instrument reliability was higher for moderate and vigorous physical activity, the two intensities recommended for public health purposes. Studies using these devices can be compared with a low risk of misclassification of participants who meet the recommendation to perform moderate to vigorous physical activity. 相似文献
55.
Dos SF Da Silva PA Ribeiro FS Dias AL Frigério MC Dellatolas G von Aster M 《The Spanish journal of psychology》2012,15(2):513-525
Numerical cognition is based on two components - number processing and calculation. Its development is influenced by biological, cognitive, educational, and cultural factors. The objectives of the present study were to: i) assess number processing and calculation in Brazilian children aged 7-12 years from public schools using the Zareki-R (Battery of neuropsychological tests for number processing and calculation in children, Revised; von Aster & Dellatolas, 2006) in order to obtain normative data for Portuguese speakers; ii) identify how environment, age, and gender influences the development of these mathematical skills; iii) investigate the construct validity of the Zareki-R by the contrast with the Arithmetic subtest of WISC-III. The sample included 172 children, both genders, divided in two groups: urban (N = 119) and rural (N = 53) assessed by the Zareki-R. Rural children presented lower scores in one aspect of number processing; children aged 7-8 years demonstrated an inferior global score than older; boys presented a superior performance in both number processing and calculation. Construct validity of Zareki-R was demonstrated by high to moderate correlations with Arithmetic subtest of WISC-III. The Zareki-R therefore is a suitable instrument to assess the development of mathematical skills, which is influenced by factors such as environment, age, and gender. 相似文献
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Two approaches to the study of diagnostic thinking are compared, one mainly propositional, namely that of Patel and Groen (1986), the other mainly semantic, that of Lemieux and Bordage (1986). Patel and Groen analyzed the linear dimension of cardiologists' discourses while solving a case of acute bacterial endocarditis, that is, the before and after propositional rules. A secondary analysis of two of their pothophysiological protocols is done using structural semantic techniques from Lemieux and Bordage where the vertical dimension of the discourses is analyzed, that is, the levels of meaning or semantic axes. Contrary to Patel and Groen's position, making an accurate diagnosis is not explained in terms of pure forward reasoning through networks of causal rules, but by means of networks of semantic qualities abstracted from the symptoms and signs. The semantic qualities operate in the clinician's mind in terms of binary oppositions (e.g., sudden-gradual, unilateral-bilateral) whereby each pair of properties constitutes a semantic axis (e.g., sudden-gradual). The successful diagnosticians are those who use the most diversified and pertinent set of semantic axes and, therefore, have a deeper representation of the problem. 相似文献
58.
Florence Labrell Hugo Câmara-Costa Virginie Kieffer Georges Dellatolas 《Child neuropsychology》2018,24(4):524-540
In children treated for malignant cerebellar tumors, there are only a few studies investigating temporal skills, despite the role of the cerebellum in time processing being generally acknowledged. Children’s time knowledge has been defined as the correct representation and use of familiar time units. The present study compares time knowledge in 38 children treated for malignant cerebellar tumors (mean age 11.6 years) with 105 typically-developing (TD) children. The performances on all time knowledge subtests were significantly lower in the tumor group. The results also confirm a lower mean IQ in the children treated for cerebellar tumors, related to slower processing speed and poorer performance on working memory and non-verbal tasks. However, the lower IQ does not explain the considerable difficulties in the acquisition of time knowledge. These results are discussed in the light of the role of the cerebellum in time processing and in the context of two different models of temporal processing: the internal clock model and the neural network state model. 相似文献
59.
A great deal of research in legal decision making has overlooked the influence of affect on the decision‐making process. The present study measured the fluctuation of emotions across five time points of a capital trial and tested the overall relationship between changes in emotion and sentencing decisions. The results showed that across all participants, anger initially increased and then decreased during the course of a capital punishment trial. Most importantly, the more individual mock jurors' anger increased during any stage of the trial, the more likely they were to assign a death sentence. Furthermore, when jurors' anger increased, they rated mitigating factors presented by the defense as weaker and the weaker mitigation mediated the relationship between change in anger and sentencing. The paper ends with a discussion of theoretical explanations and policy implications. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
60.
Georges Abraham 《The International journal of psycho-analysis》2002,83(2):325-338
Orgasm itself, along with its specific psycho dynamic, has stimulated few reflections and little research in the psychoanalyticalfield to date. In this regard, perspectives relating to orgasm are generally placed within a wider context covering desire, arousal and, of course, satisfaction. Freud himself seemed to show no particular or systematic interest in an orgasmic psychodynamic per se. This article, the aim of which is to consider the specific nature of orgasm, proposes a two-stage reflection. First, it considers the specific aspects of orgasm in order to arrive at a phenomenology of the orgasm itself-within a clearly defined framework. Second, it explains this phenomenology from a psychoanalytical point of view. These reflections lead us to suggest that while the erogenous zones in men and women respectively are at the root of the sexual arousal that leads to orgasm, it is most probably in fantasy that the female orgasm finds its major trigger. This is all the more relevant given that the existence of a real qualitative difference between clitoral and vaginal orgasm is now being challenged. This would tend to confirm the idea of a predominance of fantasy over bodily location, given that, quite clearly, it is not possible to attribute the former role to a precise area of the body. In this respect, only the analytical process is able to lead us to the primary sources of orgasmic problems—both male and female—and, above all, to reconstruct the origin of a satisfactory or unsatisfactory orgasm. 相似文献