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Hae Yeon Lee Jeremy P. Jamieson Adriana S. Miu Robert A. Josephs David S. Yeager 《Child development》2019,90(6):e849-e867
Grades often decline during the high school transition, creating stress. The present research integrates the biopsychosocial model of challenge and threat with the implicit theories model to understand who shows maladaptive stress responses. A diary study measured declines in grades in the first few months of high school: salivary cortisol (N = 360 students, N = 3,045 observations) and daily stress appraisals (N = 499 students, N = 3,854 observations). Students who reported an entity theory of intelligence (i.e., the belief that intelligence is fixed) showed higher cortisol when grades were declining. Moreover, daily academic stressors showed a different lingering effect on the next day's cortisol for those with different implicit theories. Findings support a process model through which beliefs affect biological stress responses during difficult adolescent transitions. 相似文献
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To improve students’ outcomes and retention rates, community colleges have implemented acceleration strategies which hasten the completion of educational requirements (Edgecombe, 2011). The objective of this study was to investigate the effects of an accelerated freshmen writing course on teachers’ curricular decisions and pedagogical practices at a large urban community college. We conducted semi-structured interviews with the 11 faculty members teaching different sections of this accelerated writing course. All interviews were audiotaped, transcribed, coded, and analyzed. Our findings reveal that while instructors embrace the structural changes that come with accelerated courses and demonstrate a new appreciation for struggling students in their traditional English 101 class, they report on significant challenges in teaching due to the students’ lack of academic and personal maturity, as well as a need to lower their expectations and simplify the curriculum. This research raises questions about the unintended positive and negative effects of accelerated courses on teaching. More qualitative research is needed that focuses on the teachers’ experiences and their capacity to help students benefit from an accelerated course. 相似文献
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Guillaume Costalat Jeremy Coquart Ingrid Castres Fabrice Joulia Olivier Sirost Eric Clua 《Journal of sports sciences》2017,35(7):678-687
We investigated the oxygen-conserving potential of the human diving response by comparing trained breath-hold divers (BHDs) to non-divers (NDs) during simulated dynamic breath-holding (BH). Changes in haemodynamics [heart rate (HR), stroke volume (SV), cardiac output (CO)] and peripheral muscle oxygenation [oxyhaemoglobin ([HbO2]), deoxyhaemoglobin ([HHb]), total haemoglobin ([tHb]), tissue saturation index (TSI)] and peripheral oxygen saturation (SpO2) were continuously recorded during simulated dynamic BH. BHDs showed a breaking point in HR kinetics at mid-BH immediately preceding a more pronounced drop in HR (?0.86 bpm.%?1) while HR kinetics in NDs steadily decreased throughout BH (?0.47 bpm.%?1). By contrast, SV remained unchanged during BH in both groups (all P > 0.05). Near-infrared spectroscopy (NIRS) results (mean ± SD) expressed as percentage changes from the initial values showed a lower [HHb] increase for BHDs than for NDs at the cessation of BH (+24.0 ± 10.1 vs. +39.2 ± 9.6%, respectively; P < 0.05). As a result, BHDs showed a [tHb] drop that NDs did not at the end of BH (?7.3 ± 3.2 vs. ?3.0 ± 4.7%, respectively; P < 0.05). The most striking finding of the present study was that BHDs presented an increase in oxygen-conserving efficiency due to substantial shifts in both cardiac and peripheral haemodynamics during simulated BH. In addition, the kinetic-based approach we used provides further credence to the concept of an “oxygen-conserving breaking point” in the human diving response. 相似文献
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Jeremy Swinson 《British Journal of Special Education》2008,35(3):165-172
The self‐esteem of pupils has long been regarded as a key variable affecting both pupils' learning and behaviour, although the relationship between the two may not be as strong as many in education have always assumed. In this article, Jeremy Swinson, an educational psychologist and honorary lecturer in educational psychology at Liverpool John Moores University, reports the findings from a study in two parts. Firstly, an examination was made of 35 Statements written by officers from seven different education authorities in the north‐west of England for pupils attending two independent schools that specialise in working with pupils with social, emotional and behavioural difficulties (SEBD). It was found that, of the 35 Statements examined, 34 included self‐esteem as one area of special need. The second phase of the study examined the self‐esteem of 60 pupils in four specialist schools for pupils with social, emotional and behavioural difficulties. The results showed that the average scores for self‐esteem for both the primary and secondary sample were very similar to the scores obtained by previous researchers in mainstream schools. However, it was apparent that more pupils than expected appeared to have either very low or very high self‐esteem. In terms of locus of control, it was found that a large number of secondary pupils had a high score although this was not found to be the case for the primary pupils in the sample. Jeremy Swinson discusses these results and presents his analysis of their implications for teachers, educational psychologists and education officers. 相似文献
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