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Three separate lines of research have suggested that conceptions of ability may play a key role in the development of self-evaluation. Each line has focused on a different dimension of conceptions of ability: conceptions of ability as uncontrollable, conceptions of ability as constant, and conceptions of ability: as capacity. Unfortunately, there has been little attention to the convergences and divergences among the 3 dimensions. The present study examined this issue in 236 second- through fifth-grade children. Children indicated the extent to which they conceived of ability as uncontrollable, as constant, and as capacity. Two forms of self-evaluation (performance following failure and the extent to which self-perceptions of competence converge with external indicators of competence) were investigated. In addition, cognitive competence was assessed. The near-zero correlations, 3-factor solution yielded by confirmatory factor analysis, variability in age-related differences, differential links to cognitive competence, and diverse forms of self-evaluation among the 3 dimensions suggested that the 3 are relatively distinct, and that they may play different roles in the development of self-evaluation. Moreover, the 3 dimensions appear to interact with one another to influence self-evaluation.  相似文献   
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Two studies investigated the effects of parents' control and autonomy support on low- and high-achieving children. In Study 1, mothers' (N=110) involvement with children (7 to 10 years old) in the context of a challenging task was observed. During this interaction, mothers' control predicted diminished engagement and their autonomy support predicted enhanced performance for low-achieving children more than for high-achieving children. In Study 2, mothers' (N=121) responses to children's (9 to 12 years old) failure were assessed with a daily checklist. Children's grades were obtained at this time and 6 months later. Mothers' controlling responses predicted decreased performance and their autonomy-supportive responses predicted increased performance over time for low achievers more than for high achievers.  相似文献   
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Solar and galactic cosmic rays are of profound astrophysical interest. One facet of contemporary cosmic ray research utilizes these energetic particles as space probes for studying the characteristics of the solar-controlled interplanetary medium, the heliosphere, which is essentially the extension of the solar corona to a considerable distance beyond the orbit of earth. Solar cosmic ray observations in particular contribute to our understanding of the earth's environs, the interplanetary medium, and the sun itself. Appropriately deployed ground-based cosmic ray detectors utilize the earth as a spacedraft for carrying out experiments that are far beyond the capacity of artificial satellites. In interpreting the observations, however, the effects of the geomagnetic field and of the atmosphere must be taken into account by appropriate analytical procedures. Theoretical models account for many of the characteristics of the observed modulations and anisotropies, which manifest themselves as temporal or spatial intensity variations. Analysis of the measurements in terms of various models provides an understanding of the physical mechanisms, as well as the determination of the relevant parameters. Properties of solar cosmic rays that have been investigated include spectra, angular distributions, transport mechanisms and the acceleration to relativistic energies.  相似文献   
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This article explores how six teenage girls talk about being smart in the wake of celebratory discourses touting gender equality in education and beyond. Set against the neo-liberal backdrop of ‘What about the boys?’ and ‘girl power’, it is assumed that smart girls today ‘have it all’ and, therefore, no longer require feminist interventions in the school. Issuing a challenge to these post-feminist assumptions, we highlight complex narratives of girls’ academic success, including post-feminist narratives of individualisation and the ‘supergirl’, alongside feminist narratives of gender inequality in the school and the broader social world. We conclude by highlighting the impossible terms within which post-feminism frames girls, and the dangers that this pervasive discourse poses to girls’ educations.  相似文献   
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This research examined parents' involvement in children's learning in the United States and China. Beginning in seventh grade, 825 American and Chinese children (mean age=12.74 years) reported on their parents' involvement in their learning as well as their parents' psychological control and autonomy support every 6 months until the end of 8th grade. Information on children's academic and emotional adjustment was obtained. American (vs. Chinese) parents' involvement was associated less with their control and more with their autonomy support. Despite these different associations, parents' heightened involvement predicted children's enhanced engagement and achievement similarly in the United States and China. However, it predicted enhanced perceptions of competence and positive emotional functioning more strongly in the United States than China.  相似文献   
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What ensues from emotional distress? Implications for competence estimation   总被引:1,自引:0,他引:1  
Although much is known about what precedes emotional distress, less is known about what follows such distress. The goal of this research was to examine the process by which emotional distress contributes to competence estimation. Children 9 to 13 years of age in fourth through sixth grade (N = 932) participated in a 3-wave longitudinal study spanning 12 months. Their emotional distress, views of themselves and their world, and competence estimation were assessed. Emotional distress predicted negative beliefs about the self and the world over time; these beliefs in turn predicted decrements in competence estimation over time. Negative views of the self and the world mediated the path from emotional distress to competence underestimation. The findings suggest that the experience of emotional distress has negative implications for children's development.  相似文献   
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The development of cognitive control during adolescence is paralleled by changes in the function of the lateral prefrontal cortex (PFC). Using a three‐wave longitudinal neuroimaging design (= 22, Mage = 13.08 years at Wave 1), this study examined if youth's stereotypes about teens modulate changes in their neural activation during cognitive control. Participants holding stereotypes of teens as irresponsible in the family context (i.e., ignoring family obligations) in middle school showed increases in bilateral ventrolateral PFC activation during cognitive control over the transition to high school, which was associated with increases in risk taking. These findings provide preliminary evidence that youth's conceptions of adolescence play a role in neural plasticity over this phase of development.  相似文献   
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