The influence of cycling intensity upon cognitive response during inferred practice and competition conditions     

Michael J. Duncan  Neil D. Clarke  Martin Cox  Mike Smith 《Journal of sports sciences》2017,35(19):1865-1871

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Changes in kinematics and arm–leg coordination during a 100-m breaststroke swim     

Samuel W. Oxford  Rob S. James  Michael J. Price  Carl J. Payton  Michael J. Duncan 《Journal of sports sciences》2017,35(16):1658-1665

The purpose of this study was to compare arm–leg coordination and kinematics during 100 m breaststroke in 26 (8 female; 18 male) specialist breaststroke swimmers. Laps were recorded using three 50-Hz underwater cameras. Heart rate and blood lactate were measured pre- and post-swim. Arm–leg coordination was defined using coordination phases describing continuity between recovery and propulsive phases of upper and lower limbs: coordination phase 1 (time between end of leg kick and start of the arm pull phases); and coordination phase 2 (time between end of arm pull and start of leg kick phases). Duration of stroke phases, coordination phases, swim velocity, stroke length (SL), stroke rate (SR) and stroke index (SI) were analysed during the last three strokes of each lap that were unaffected by turning or finishing. Significant changes in velocity, SI and SL (P < 0.05) were found between laps. Both sexes showed significant increase (P < 0.05) in heart rate and blood lactate pre- to post-swim. Males had significantly (P < 0.01) faster swim velocities resulting from longer SLs (P = 0.016) with no difference in SR (P = 0.064). Sex differences in kinematic parameters can be explained by anthropometric differences providing males with increased propelling efficiency.  相似文献   

Stepping stones in learning     

Diane Duncan 《Education 3-13》2013,41(3):48-54

This article is an analysis of data drawn from semi-structured, taperecorded interviews with five female primary school headteachers. The research focused on their perceptions of their management role. One significant and unexpected finding was that these women not only denied feeling stressed but were deriving immense satisfaction from their work. It is suggested that much of their enjoyment comes from the high degree of emotional intelligence they display in managing people, time and resources and which also partly accounts for their success and managerial confidence. The degree of power, control and choice which these women exercise in their work lends support to the claim that there is an emerging group of managers in primary education who may represent the ‘new women of power’.  相似文献   

Disentangling the Role of Domain-Specific Knowledge in Student Modeling     

Ruppert  John  Duncan  Ravit Golan  Chinn  Clark A. 《Research in Science Education》2019,49(3):921-948

Research in Science Education - This study explores the role of domain-specific knowledge in students’ modeling practice and how this knowledge interacts with two domain-general modeling...  相似文献   

A pragmatic approach to courseware development in WIMP environments     

Charles Duncan 《British journal of educational technology : journal of the Council for Educational Technology》1990,21(1):31-40

Courseware development often involves a great deal of effort. One approach to minimising effort while maintaining flexibility is illustrated, using a tutoring system as an example. The system comprises two parts: a 'shell' which contains facilities useful for many different subjects, and an interpreter which generates questions which are subject specific.  相似文献   

College Students’ Reasons for Depression Nondisclosure in Primary Care     

William J. Meyer  Patrick Morrison  Anayansi Lombardero  Kelsey Swingle  Duncan G. Campbell 《Journal of College Student Psychotherapy》2016,30(3):197-205

Unwillingness to share depression experiences with primary care physicians contributes to the undertreatment of depression. This project examined college students’ reasons for depression nondisclosure to primary care providers (PCPs). Undergraduate participants read a vignette describing someone with depression and completed measures of disclosure barriers. Analyses indicated 26% of respondents would NOT disclose depression symptoms to PCPs. Reasons for nondisclosure included difficulty initiating the depression conversation, medication aversion, and fear of referral to a psychologist. Also, anger toward the vignette character varied with disclosure willingness, suggesting that nondisclosers feel more stigma than disclosers and are less likely to engage in psychotherapy. Because engagement in pharmacological and/or psychotherapeutic treatment requires identification of depression in healthcare settings, increased understanding of disclosure barriers could increase students’ access to depression treatment.  相似文献   

Play as the Leading Activity of the Preschool Period: Insights from Vygotsky, Leont'ev, and Bakhtin   总被引：1，自引：0，他引：1  

Robert M. Duncan  Donato Tarulli 《Early education and development》2003,14(3):271-292

Cultural-historical psychology identifies play as the leading activity in preschool development. Vygotsky's (1967, 1978) seminal work outlined two categories of leading influences: play makes a foundational contribution to the development of semiotic mediation, and it involves active appropriation of social roles and rules and other integral aspects of social organization. Leont'ev's (1981) concept of appropriation and Bakhtin's (1981) concepts of heteroglossia and ideological becoming are used to elaborate and extend Vygotsky's original work, particularly with regard to creativity in preschool play. The paper concludes with a consideration of the pedagogical implications of the cultural-historical view on play, including the use of play to cultivate understanding of the arbitrary nature of signs and the appropriation of the social roles and organizational patterns of society.  相似文献   

ABORIGINAL EDUCATION IN AUSTRALIA     

A. T. Duncan 《Equity & Excellence in Education》2013,46(6):73-78

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Educational priority areas     

Diane Duncan 《Education 3-13》2013,41(2):89-93

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How accurate can A Level English Literature marking be?          下载免费PDF全文

Yvonne Williams  Duncan Williams 《English in Education》2017,51(3):255-274

This article considers in a wide perspective the crisis in the assessment of examinations in A‐level English Literature and current attempts to address the problems. Examining the implications of a survey of recent reports initiated by the regulator, it argues that trying to ensure reliability merely through technological advances and changes in examining practice obscures the need for English teachers’ communal understanding of academic standards to be developed through their professional experience. It proposes ways in which this should be achieved, for example by developing current and potential professional networks and communities of practice.  相似文献