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Developmental psychologists have long been concerned with the ways that early adversity influences children's long-term outcomes. In the current study, activity of the hypothalamic–pituitary–adrenal axis of medically at-risk (e.g., preterm) infants was measured as a result of maternal participation in a novel cognitively based home visitation program (versus a Healthy Start home visitation program). Maternal participation in the cognitive intervention predicted lower basal cortisol levels among infants—with reduced levels of maternal avoidance/withdrawal serving as a mediator of this relation. Lower cortisol levels in infancy, in turn, predicted higher verbal short-term memory (STM) at age 3. STM represents a cognitive ability that has importance for children's later educational outcomes. Findings provide experimental evidence concerning the pathway by which an early intervention may produce hormonal changes that can, in turn, influence children's learning outcomes. 相似文献
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Although sabbatical leave for teachers was suggested in the James Report more than 25 years ago, it remains as much of an unattainable ideal as ever—a sad fact in the light of the message of this paper. What Les Summers tells us clearly illustrates the potential value that sabbaticals might have for teachers: how they might return to school both refreshed and with new and innovatory ideas. The chance to study some schools in Australia enabled Summers to do just this, and he was able to see issues of disaffection here from a new perspective as a result of his experiences. He then went on to develop the idea of a programme which responds to the needs of young school leavers. 相似文献
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Alex V. Rowlands Sjaan R. Gomersall Catrine Tudor-Locke David R. Bassett Minsoo Kang François Fraysse 《Journal of sports sciences》2015,33(5):457-466
Tudor-Locke and colleagues previously assessed steps/day for 1 year. The aim of this study was to use this data set to introduce a novel approach for the investigation of whether individual’s physical activity exhibits periodicity fluctuating round a mean and, if so, the degree of fluctuation and whether the mean changes over time. Twenty-three participants wore a pedometer for 365 days, recorded steps/day and whether the day was a workday. Fourier transform of each participant’s daily steps data showed the physical activity had a periodicity of 7 days in half of the participants, matching the periodicity of the workday pattern. Activity level remained stable in half of the participants, decreased in ten participants and increased in two. In conclusion, the 7-day periodicity of activity in half of the participants and correspondence with the workday pattern suggest a social or environmental influence. The novel analytical approach introduced herein allows the determination of the periodicity of activity, the degree of variability in activity that is tolerated during day-to-day life and whether the activity level is stable. Results from the use of these methodologies in larger data sets may enable a more focused approach to the design of interventions that aim to increase activity. 相似文献
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Alex Law 《Soccer & Society》2014,15(2):203-221
By the time of Euro 2012, deepening tensions of nationalism and internal social struggles were developing across Europe in worsening conditions of systemic crisis. The official football ideology of UEFA conceives Euro 2012 as a civilizing platform for mutual respect and brotherhood between competing nations. In contrast, what I call Hyper-Critical Theory conceives of football competitions like Euro 2012 as part of a de-civilising ‘sports mode of production’ that necessarily produces crisis conditions, alienation and violence on a mass scale, fostering nationalism, militarism and racism. Between these polar perspectives, the figurational sociology of sport associated with Norbert Elias proposes that major international football competitions like Euro 2012 creates and dissipates contingent tensions of ‘group charisma’ and ‘group disgrace’. Study of Euronews ‘post-national’ coverage of Euro 2012 allows their explanatory adequacy to be compared. In a competition structure like the Euros no social group – players, officials, media or fans – is able to disregard entirely the field capabilities of the ‘best minority of 11’ in the serious game of exemplifying the group charisma of nations. 相似文献