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1.
200 pairs of twins were assessed at 14 months of age in the laboratory and home. Measures were obtained of temperament, emotion, and cognition/language. Comparisons between identical and fraternal twin correlations suggest that individual differences are due in part to heritable influences. For temperament, genetic influence was significant for behavioral observations of inhibition to the unfamiliar, tester ratings of activity, and parental ratings of temperament. For emotion, significant genetic influence was found for empathy and parental ratings of negative emotion. The estimate of heritability for parental report of expression of negative emotions was relatively high, whereas that for expression of positive emotions was low, a finding consistent with previous research. For cognition and language, genetic influence was significant for behavioral indices of spatial memory, categorization, and word comprehension. Shared rearing environment appears influential for parental reports of language and for positive emotions, but not for other measures of emotion or for temperament.  相似文献   

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The Attrition of Change: A Study of Change and Continuity   总被引:1,自引:0,他引:1  
In this article models and theories on effective schooling are reviewed. Modelling is based on the various disciplinary oriented approaches to educational effectiveness. As such production functions, instructional effectiveness models and integrated, multi‐level educational effectiveness models are discussed. Various conceptual and formal representations of facilitation across levels are seen as the most interesting area for further model‐driven research. In the second part of the article four organization theories are discussed, all of which are seen as specific interpretations of the rationality paradigm: rational control theory and bureaucratic structuring; contingency theory; public choice theory; and retroactive planning. A fifth theoretical perspective, chaos theory, as applied to organizational functioning, looks more like a complete anti‐thesis of rationality, but can nevertheless be related to the emergence of ordered patterns and to organizational survival. Core mechanisms or theory‐embedded principles that follow from these theories are, respectively: proactive structuring; fit; market mechanisms; the cybernetic principle; and self‐organization. Further analysis of these principles leads to the conclusion that the cybernetic principle of evaluation feedback and reinforcement is the most interesting one, both from a theoretical and practice‐oriented perspective. Throughout the article hints and suggestions are provided for future, more theory and model‐driven educational effectiveness research.  相似文献   

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This study assessed the genetic and environmental contributions to peer difficulties in the early school years. Twins' peer difficulties were assessed longitudinally in kindergarten (796 twins, Mage = 6.1 years), Grade 1 (948 twins, Mage = 7.1 years), and Grade 4 (868 twins, Mage = 10 years) through multiple informants. The multivariate results revealed that genetic factors accounted for a strong part of both yearly and stable peer difficulties. At the univariate level, the genetic contributions emerged progressively, as did a growing consensus among informants with respect to those who experienced peer difficulties. These results underline the need to intervene early and persistently, and to target the child and the peer context to prevent peer difficulties and their consequences.  相似文献   

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This study investigated infant and caregiving-environment variables associated with continuity and discontinuity in infant negative emotionality between the newborn period and 5 months of age. Comparisons were made between groups of infants who evidenced similar levels of crying as neonates but differed by 5 months of age. For initially high-crying infants, mother personality traits, marital quality, and infant variables measured neonatally discriminated stable from changing infants. Ratings of mother sensitivity and infant responsiveness made at 5 months of age also related to continuity and discontinuity in negative emotionality over the first 5 months.  相似文献   

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In a longitudinal study of 47 girls and 44 boys, developmental change in self-esteem (SE) was examined from early adolescence through late adolescence to early adulthood. Males tended to increase and females tended to decrease in SE over time. There was appreciable rank-order consistency in SE over time. Within each gender, the considerable individual differences in developmental trajectories were coherently related to personality characteristics independently assessed in early adolescence. Boys and girls with high SE possessed quite different personality characteristics in early adolescence; by early adulthood, although important differences remained, the personality characteristics associated with high SE were similar for the 2 sexes. Discussion focuses on the implications of our findings for the "consistency versus change" debate, the influence of gender-role socialization on SE development, and the importance of examining normative, gender-specific, and individual developmental change in SE.  相似文献   

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This article explores some of the major continuities and changes in policy and practice concerning the inclusion of racial and ethnic minorities ineducation and economic placement in a global economy. It refers to papers given at five sessions of the International Sociological Association's (ISA)four-yearly world congresses, held between1986-2002. In particular it notes educational changes and disadvantages affecting minorities in Britain over twenty-five years. A major conclusion is that education within acompetitive global economy can encourage newforms of racial and social exclusion.  相似文献   

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We examined continuity, stability, and change in behaviors reflecting infant reactivity and regulation. Healthy infants were observed in laboratory situations designed to elicit frustration when they were 5 ( N = 87) and 10 months of age ( N = 82) Behaviors indicative of reactivity included objective ratings of average intensity cry, peak intensity cry, and latency to cry. In addition, durations of orienting, avoidant, and nonnegative communicative behaviors were assessed as measures of regulation at each age. Results showed that several behaviors changed in level over time. In addition, Confirmatory Factor Analysis revealed both structural continuity and discontinuity: Behaviors were organized into 2 similar factors at 5 and 10 months (Reactivity and Regulation), but the relation between reactivity and regulation became increasingly independent over time, such that reactivity and regulation were negatively correlated at 5 months but not at 10 months. Finally, model-fitting revealed cross-dimension but not within-dimension stability (5-month reactivity predicted 10-month regulation).  相似文献   

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This study of 195 (108 boys) children seen twice during infancy (Time 1: 4.12 months; Time 2: 14.42 months) aimed to investigate the associations between and infant predictors of executive function (EF) at 14 months. Infants showed high levels of compliance with the EF tasks at 14 months. There was little evidence of cohesion among EF tasks but simple response inhibition was related to performance on two other EF tasks. Infant attention (but not parent-rated temperament) at 4 months predicted performance on two of the four EF tasks at 14 months. Results suggest that EF skills build on simpler component skills such as attention and response inhibition.  相似文献   

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In outlining the framework offered at the UNESCO Regional Conference in support of Global Literacy (New Delhi, November 2007), it was pointed out that concepts of poverty, sustainable development and particularly of literacy and innovation have themselves been in continuous re‐construction. An analysis of the context and condition for literacy policies and initiatives in Bangladesh—a country with one of the highest rates of both poverty and illiteracy—was undertaken, as an exemplar for other countries of the Asian region, and for Third World countries around the globe. It is suggested that to meet the challenge ahead, social‐structural strategies must be joined with instructional strategies and second socializations of all involved; and both the planners and providers of adult literacy, and the intended beneficiaries of adult literacy dispensation must be mobilized. Commitments must last for a decade—and more if necessary.  相似文献   

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The present study of personal context and continuity in 23 students' thinking builds upon data from a longitudinal study of the students' conceptualisations of ecological processes. Each student was interviewed 11 times from age 9-15 about these processes. At the ages of 15 and 19, the students listened to what they said at the age of 11 and 15, respectively, and described how they thought their understanding had developed. The occurrence of charac teristic individual elements in the students' conceptions can be followed as themes in the interviews year by year. The students could, as 15- and 19-year-olds, often reveal concrete experiences from an early age that they referred to repeatedly in the interviews. Even if there was a substantial conceptual development, there was also a very strong element of personal continuity. Conceptions that had developed at an early age seemed to be important for future conceptual development.  相似文献   

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Although developmental psychologists frequently assume that parents change their child-rearing practices as their children develop, there is little research on this topic and virtually none involving parents of adolescents and a longitudinal, repeated-measures design. We examined changes in mothers' reported practices over time in regard to independence and control, expression of positive and negative affect, and disciplinary practices using items from the Child-Rearing Practices Report (CRPR). The CRPR was administered to the same mothers 5 times over an 8-year time period (from when their children were aged 7 or 8 years until they were 15-16 years old). A substantial degree of stability in behaviors and values was noted, even over the 8-year period. In addition, some practices increased or decreased with age, with most of the changes being consistent with prior theorizing and research, as well as commonsense notions related to child rearing.  相似文献   

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In this paper, the authors trace the development of education and the issue of language in education in Brunei Darussalam from 1906 to the present. They look at some of the planned and unplanned language programmes and initiatives, and discuss the problems encountered in implementing some of these initiatives.  相似文献   

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Infants have an early understanding of giving (the transfer of an item by one agent to another), but little is known about individual differences in these abilities or their developmental outcomes. Here, 9-month-olds (= 59) showing clearer neural processing (Event-related potential, ERP) of a give-me gesture also evidenced a stronger reaction (pupil dilation) to an inappropriate response to a give-me gesture, and at 2 years were more likely to give in response to a give-me gesture. None of the differences in understanding and production of giving-related behaviors were associated with other sociocognitive variables investigated: language, gaze-following, and nongiving helping. The early developmental continuity in understanding and production of giving behavior is consistent with the great importance of giving for humans throughout the life span.  相似文献   

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马克思"以人为本"思想是与时俱进的,马克思"以人为本"思想的转变经过了由萌芽、发展到完备的思想历程。马克思"人本观"在继承了前人的人本思想的同时,在实践中得到发展,使"以人为本"思想更具有了现实意义。  相似文献   

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