Force transducer system for measurement of ice hockey skating force     

Tyler J. Stidwill  Rene Albert Turcotte  Phil Dixon  David J. Pearsall 《Sports Engineering》2009,12(2):63-68

The purpose of this study was to develop a portable force measurement system for ice hockey skating. The system consisted of three strain gauge pairs affixed to an ice hockey skate’s blade holder with wire leads connected to a microprocessor controlled data acquisition device carried in a backpack worn by the skater. The configuration of the strain gauges simultaneously determined the vertical and medial–lateral force components experienced by the blade holder with a resolution accuracy of 1.9 N and a coefficient of variation of 9.2%. On-ice testing of this system with subjects performing forward start, acceleration, and constant velocity skating permitted unencumbered, natural movement and demonstrated clear, unambiguous signal responses, high trial-to-trial repeatability, and easy data retrieval. The practicality and accuracy of this testing approach have many applications, such as a quantitative tool for skating force assessment to aid athletes and coaches, as well as providing the means to examine other skill-specific dynamics.  相似文献   

Exchanging the ubject: does (bio)materiality matter?     

Tyler Hnatuk 《Metascience》2015,24(3):445-448

  相似文献   

Improving early reading skills for beginning readers using an online programme as supplementary instruction     

Emily Jehanne Tyler  John Carl Hughes  Michael Beverley  Richard Patrick Hastings 《European Journal of Psychology of Education - EJPE》2015,30(3):281-294

  相似文献   

Difficulties     

Tom Tyler 《Parallax》2019,25(4):446-470

  相似文献   

The Developmental Process of Clinical Supervisors in Training: An Investigation of the Supervisor Complexity Model     

Stanley B. Baker  Herbert A. Exum  Richard E. Tyler 《Counselor Education & Supervision》2002,42(1):15-30

The authors investigated C. E. Watkins's (1994) supervisor complexity model (SCM). The Psychotherapy Supervisor Development Scale (PSDS; C. E. Watkins, L. J. Schneider, J. Haynes, & R. Nieberding, 1995) was used to ascertain development over a 15‐week supervision practicum for 12 doctoral students and to compare their development with 7 doctoral students who had not yet begun their practicums. A set of retrospective interview questions produced responses that were used to investigate the viability of the 4 proposed discrete developmental stages in the SCM. The PSDS findings are congruent with theory. The retrospective interview findings, although interesting, are less definitive. Recommendations for research and training are presented.  相似文献   

Race and Place: How Suburban Schools Respond to Increasing Racial Diversity     

Alison C. Tyler  Jennifer B. Ayscue 《Peabody Journal of Education》2016,91(3):283-288

  相似文献   

Law enforcement officers as investigators and therapists in child sexual abuse: A training model     

Lore E. Stone  R.P.“Toby” Tyler  James J. Mead 《Child abuse & neglect》1984,8(1):75-82

Law enforcement officers, often the first professionals to come in contact with a victim of child sexual abuse, can either increase or decrease the traumatic impact on the child and the family at the time of disclosure. The model for a training program for police officers in handling cases of child sexual abuse outlined in this paper is divided into three sections. The first part is directed towards theoretical issues involved in this problem, including an explanation of the history and background of sexual abuse of children by adults and of the difference in the dynamics of extra- and intrafamilial sexual abuse. The second part consists of a detailed explanation of different types of sex offenses and of standard physical examinations of sexual abuse victims. Graded slides of physical trauma geared towards wound identification are paired with relaxation exercises. The third section focuses on special considerations when interviewing sexually abused children. The difference between interviewing and interrogation, specific questioning techniques, and the use of videotape is explained. Each part of this training procedure is followed by a question and answer period and small group discussions for the purpose of encouraging disclosure and better understanding of the officers' personal reactions to cases of child sexual abuse.  相似文献   

Parameters in television captioning for deaf and hard-of-hearing adults: effects of caption rate versus text reduction on comprehension     

Burnham D  Leigh G  Noble W  Jones C  Tyler M  Grebennikov L  Varley A 《Journal of deaf studies and deaf education》2008,13(3):391-404

Caption rate and text reduction are factors that appear to affect the comprehension of captions by people who are deaf or hard of hearing. These 2 factors are confounded in everyday captioning; rate (in words per minute) is slowed by text reduction. In this study, caption rate and text reduction were manipulated independently in 2 experiments to assess any differential effects and possible benefits for comprehension by deaf and hard-of-hearing adults. Volunteers for the study included adults with a range of reading levels, self-reported hearing status, and different communication and language preferences. Results indicate that caption rate (at 130, 180, 230 words per minute) and text reduction (at 84%, 92%, and 100% original text) have different effects for different adult users, depending on hearing status, age, and reading level. In particular, reading level emerges as a dominant factor: more proficient readers show better comprehension than poor readers and are better able to benefit from caption rate and, to some extent, text reduction modifications.  相似文献   

THE OBJECTIVES AND PLANS FOR A NATIONAL ASSESSMENT OF EDUCATIONAL PROGRESS1     

Ralph W. Tyler 《Journal of Educational Measurement》1966,3(1):1-4

  相似文献   

David Harris Russell     

Fred T. Tyler 《教育心理学家》2013,48(2)

  相似文献