London Medical Book Fair     

Hazel K. Bell 《Learned Publishing》1992,5(4):232-233

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Perception of kinematic characteristics of tennis strokes for anticipating stroke type and direction     

Shim J  Les Carlton G  Kwon YH 《Research quarterly for exercise and sport》2006,77(3):326-339

The purpose of this study was to determine the sources of visual information used by highly skilled tennis players in anticipating their opponent's shots. In Experiment 1, motion analysis of the strokes showed that the relative motion between the racquet and forearm was different between the ground strokes and lobs, but there were no reliable kinematic differences when shot direction was varied. In Experiment 2, 12 skilled tennis players observed the opponent hitting strokes in a normal video or in a point-light display with different segments occluded. Players' anticipation accuracy was not degraded by the use of the point-light display. Occluding the racquet and forearm significantly reduced the participant's ability to determine the type of stroke produced.  相似文献   

How to manage public relations     

Hazel K. Bell 《Learned Publishing》1995,8(3):169-170

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Effects of light refraction on the accuracy of camera calibration and reconstruction in underwater motion analysis   总被引：1，自引：0，他引：1  

Kwon YH  Casebolt JB 《Sports biomechanics / International Society of Biomechanics in Sports》2006,5(2):315-340

One of the most serious obstacles to accurate quantification of the underwater motion of a swimmer's body is image deformation caused by refraction. Refraction occurs at the water-air interface plane (glass) owing to the density difference. Camera calibration-reconstruction algorithms commonly used in aquatic research do not have the capability to correct this refraction-induced nonlinear image deformation and produce large reconstruction errors. The aim of this paper is to provide a thorough review of: the nature of the refraction-induced image deformation and its behaviour in underwater object-space plane reconstruction; the intrinsic shortcomings of the Direct Linear Transformation (DLT) method in underwater motion analysis; experimental conditions that interact with refraction; and alternative algorithms and strategies that can be used to improve the calibration-reconstruction accuracy. Although it is impossible to remove the refraction error completely in conventional camera calibration-reconstruction methods, it is possible to improve the accuracy to some extent by manipulating experimental conditions or calibration frame characteristics. Alternative algorithms, such as the localized DLT and the double-plane method are also available for error reduction. The ultimate solution for the refraction problem is to develop underwater camera calibration and reconstruction algorithms that have the capability to correct refraction.  相似文献   

EHCP Implementation in the Early Years: constrictions and possibilities     

Hazel Richards 《Support for Learning》2021,36(2):204-221

In England, Education and Health Care Plans (EHCPs) created changes for SENCOs, including those working in private, voluntary and independent (PVI) early years settings. Such SENCOs hold, as a minimum, a relevant Level-3 qualification, with subsequent training and support being optional, varied and sometimes difficult to access. This situation has implications for EHCP implementation and for the roles and responsibilities of SENCOs because effective realisation of the joint working, early identification and intervention prioritised in EHCPS require power, knowledge and skills. SENCOs from one Local Authority in England participated in this mixed-methods research. Identity theory and Bronfenbrenner's bio-ecological theory were applied to analyse the macro through to micro level influences. This revealed seven key influences: information and resources; ethos and support; quality of evidence; relationships; knowledge and skills; purpose and outcomes. This paper presents the manifestation of these in the experience of eight Early Years SENCOs working PVI settings.  相似文献   

Common Destiny: (After reading the journal of a great-great-uncle)     

Hazel M. Kerr 《The Educational forum》2013,77(4)

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Count us in: the role of schools and colleges in meeting the mental health needs of young people with learning disabilities   总被引：1，自引：0，他引：1  

Barry Carpenter  Hazel Morgan 《British Journal of Special Education》2003,30(4):202-206

In December 2002, the Foundation for People with Learning Disabilities' Committee of Inquiry into the mental health needs of young people with learning disabilities produced its report.
Barry Carpenter, Chief Executive at Sunfield and Chair of the committee, and Hazel Morgan, head of the Foundation for People with Learning Disabilities, take this opportunity to share some insights into the workings of the committee and summarise the key findings. The committee drew evidence from a range of sources, but placed the voices and experiences of young people with learning disabilities at the centre of their proceedings. The committee's findings and recommendations were wide ranging and will have far-reaching implications, but there are immediate messages that schools and colleges should hear. It is upon these messages, taking account of pastoral provision, the curriculum, transition and inter-agency work, that Barry Carpenter and Hazel Morgan focus in this article.  相似文献   

Social IEP Objectives, Teacher Talk, and Peer Interaction in Inclusive and Segregated Preschool Settings     

Kyong-Ah Kwon  James Elicker  Susan Kontos 《Early Childhood Education Journal》2011,39(4):267-277

The purpose of this study was to examine: (a) the role of teacher talk in promoting peer interaction, (b) the adequacy of social IEP objectives to reflect children’s social functioning and guide provision of teacher talk, and (c) differences in children’s peer interaction and teacher talk in inclusive and segregated settings. Thirty children with disabilities and their teachers participated. Overall, we observed low rates of teacher talk thought to support peer interaction; however, when teachers verbally facilitated peer interaction, children were observed interacting more frequently with peers. Children’s social IEPs accurately reflected their current level of social functioning. However, the social IEPs appeared to fail to influence teacher intervention. Finally, children with disabilities in inclusive settings interacted with peers more than children in segregated settings, even though there was no significant difference in amount of teacher talk in the two settings.  相似文献   

Conservation without Conversation Revisited: a replication and elaboration of the Wheldall‐Poborca findings on the nonverbal assessment of conservation of liquid quantity 1     

Kevin Wheldall  Hazel Benner 《教育心理学》1993,13(1):49-58

A series of experiments by Wheldall and Poborca (1980) have demonstrated that more young children can conserve liquid volume when tested using a novel, nonverbal paradigm than when tested by conventional verbal assessment procedures. The present experiment attempted to replicate their findings and simultaneously assess the effects of two modifications to their original procedure. The results showed that the two modifications to the Wheldall and Poborca procedure—(i) inviting subjects to transform the liquid quantities themselves, instead of merely observing the experimenter do so and (ii) using an extended elaborated form of response training—did not significantly increase the number of children able to conserve liquid volume. However, the original Wheldall and Poborca findings were replicated, showing that some children are likely to be falsely classified as non‐conservers if assessed using traditional verbal assessment methods.

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An Alternative Understanding of Education and Empowerment: Local-Level Perspectives of Refugee Social Integration in the United Kingdom     

Hazel Klenk 《欧洲教育》2017,49(2-3):166-183

This article draws on research with a group of refugee women who attend English for speakers of other languages (ESOL) classes at a community center in London. It considers the role education can play in their social integration processes, employing an approach that has been developed from feminist notions of empowerment and social practice theories of literacy and language use. It suggests that an exploration of factors that regulate their opportunities to access resources, expand agency, and experience opportunities they value from a gendered perspective is crucial for understanding how to provide more suitable avenues for refugee women’s social integration in the United Kingdom.  相似文献