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Annie Dupuis Maheshan Indralingam Andre Chevrier Jennifer Crosbie Paul Arnold Christie L. Burton Russell Schachar 《Child development》2019,90(2):e263-e272
Adjusting speed to maintain fast and accurate performance is critical to goal-directed behavior. This study examined development of response time adjustments in the stop signal task in 13,709 individuals aged 6–17 years (49.0% Caucasian) across four trial types: correct and incorrect go, successful (stop-inhibit), and failed (stop-respond) trials. People sped more after correct than incorrect go responses and slowed more after failed than successful stop trials. Greater slowing after stop-respond but less slowing after stop-inhibit trials was associated with better response inhibition. Response time adjustments were evident in children as young as age 6, developed throughout childhood, and plateaued by age 10. Results were consistent with the predictions of the error detection and shifting goal priority hypotheses for adjustments. 相似文献
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Arnold P 《Journal of deaf studies and deaf education》1997,2(4):199-211
Erber (1988) has claimed that one of the reasons for the ascendancy of hearing aids has been the loss of confidence in speechreading. Speechreading can be of value to those suffering from presbyacusis and other hearing disorders, in augmenting hearing aids and cochlear implants, for large numbers of people in developing countries who are unable to afford electronic aids, and for those in advanced countries who are reluctant to wear an aid. I discuss the structure and the optimization of speechreading. New methods to optimize natural speechreading skills are required that must be based on the structure and nature of speechreading. It has been suggested that speechreading is, to some extent, innate, and so 'hard-wired', which would mean that the effect of long-term training is limited. I critique this view and present a macro-analysis of the experimental literature. I suggest that the innate view may be somewhat overstated. 相似文献
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Effective educational leadership is essential for the success of schools and ultimately student achievement. The impact of school leadership may be even more pronounced in charter schools. Due to current and unprecedented growth, unique design, and complexities of political, financial, and governance issues they face, there is a need for more highly qualified charter school leaders and perhaps even “differently” prepared leaders. In this qualitative study, the authors documented the characteristics and skills of two successful, sustained charter school leaders who retrospectively described their evolved and evolving roles over twenty five years. Each transformed high-poverty, low-performing schools with at-risk populations and led with vision, passion, and a relentless desire to positively influence their organizations and ultimately improve student success in their communities. Although many of their skills and characteristics fall within existing theories, such as situational leadership, transformational leadership, and distributive leadership, they embodied a level of dedication and commitment to the original communities in which they founded charters lasting over a quarter of a century. The findings suggest that founding a charter school and seeing it through to success over time may more closely resemble missionary work than traditional school leadership. 相似文献
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