Research into teachers’ knowledge and the development of mathematics classroom practices     

Gwendolyn M. Lloyd 《Journal of Mathematics Teacher Education》2014,17(5):393-395

  相似文献   

Two Teachers' Conceptions of a Reform-Oriented Curriculum: Implications for Mathematics Teacher Development   总被引：1，自引：0，他引：1  

Gwendolyn M. Lloyd 《Journal of Mathematics Teacher Education》1999,2(3):227-252

This paper describes two high school teachers' conceptions of the cooperation and exploration components of a reform-oriented mathematics curriculum. Although the teachers appreciated the themes of cooperation and exploration in theory, their conceptions of these themes with respect to their implementations of the curriculum differed. One teacher viewed the curriculum's problems as open-ended and challenging for students, whereas the other teacher claimed that the problems were overly structured. Each teacher attributed difficulties with students' cooperative work to the amount of structure and direction (too little or too much) offered by the problems. Discussion of such similarities and differences in the teachers' conceptions emphasizes the dynamic, humanistic nature of curriculum implementation and gives rise to important implications for mathematics teacher development in the context of reform. This revised version was published online in July 2006 with corrections to the Cover Date.  相似文献   

A determination of the dynamic response of softballs   总被引：3，自引：3，他引：0  

Lloyd V. Smith  Alan M. Nathan  Joseph G. Duris 《Sports Engineering》2010,12(4):163-169

An apparatus is described for measuring the stiffness and coefficient of restitution (COR) of balls with application to softballs. While standardized test methods currently exist to measure these properties, they do not represent the displacement rate and magnitude that occur in play. The apparatus described herein involves impacting a fixed, solid cylindrical surface (matched to the diameter of the bat) with a ball and measuring the impact force during impact and speed of the ball before and after impact. The ratio of the ball speeds determines the COR, while the impact force is used to derive a ball stiffness. For an example of the contribution of the new ball test, the performance of hollow bats, which is sensitive to ball stiffness, was compared. Bat performance showed a much stronger dependence on the proposed ball stiffness than the traditional measure. Finally, it was shown that to achieve similar conditions between impacts with fixed and recoiling objects, the impact speed should be chosen so that the centre of mass energy was the same in the two cases. The method has application to associations wishing an improved method to regulate ball and bat performance.  相似文献   

Implementation. The glue of organizational change     

Roger M. Addison  Clayton R. Lloyd 《Performance Improvement》1999,38(6):8-11

  相似文献   

Research priority setting with parents of students with learning exceptionalities and disabilities     

Jennifer Baumbusch  Jennifer E. V. Lloyd 《British Journal of Special Education》2022,49(2):209-229

With an increasing focus on knowledge mobilisation, there is a concomitant shift in how stakeholders, such as parents, ought to be engaged in the research process. The purpose of this study was to explore the research priorities of parents of Kindergarten to Grade 12 students with learning exceptionalities and disabilities in British Columbia, Canada. A cross-sectional survey design was employed. A convenience sample of 130 parents completed the survey. From a list of pre-selected variables, parents identified time to initial designation, high school graduation, and home-schooling/independent schooling as the three most important research priorities, with learning disabilities, autism spectrum disorder, and moderate behaviour support/mental illness as the three most important designations. In an open-ended response, parents recommended further areas for inquiry, including the effectiveness of inclusive education and school exclusion. Research priority setting can help create research agendas that align with the needs and interests of stakeholders.  相似文献