Sequence-dependent rotation axis changes in tennis

The purpose of this study was to evaluate the role of rotation axes during a tennis serve. A motion capture system was used to evaluate the contribution of the potential axes of rotation (minimum inertia axis, shoulder-centre of mass axis and the shoulder-elbow axis) during the four discrete tennis serve phases (loading, cocking, acceleration and follow through). Ten ranked athletes (International Tennis Number 1–3) repeatedly performed a flat service aiming at a target on the other side of the net. The four serve phases are distinct and thus, each movement phase seems to be organised around specific rotation axes. The results showed that the limbs’ rotational axis does not necessarily coincide with the minimum inertia axis across the cocking phase of the tennis serve. Even though individual serving strategies were exposed, all participants showed an effect due to the cocking phase and changed the rotation axis during the task. Taken together, the results showed that despite inter-individual differences, nine out of 10 participants changed the rotation axis towards the minimum inertia and/or the mass axis in an endeavour to maximise external rotation of the shoulder to optimally prepare for the acceleration phase.     

Ensuring the criminological skills of the next generation: a case study on the importance of enhanced quantitative method teaching provision

Against the backdrop of contemporary debates surrounding the public role of criminology, this article argues that a key barrier to ensuring that the next generation of criminologists is equipped with the skills necessary to engage in critical forms of citizenship, is the quantitative ‘skills gap’ that undergraduate students possess as a consequence of the low curriculum profile afforded to numerically-informed forms of criminological practice. This article presents new empirical evidence examining students’ statistical anxiety, which reinforces the need to increase their exposure to quantitative method teaching. It concludes that pedagogic change is necessary if we are also to address associated broader concerns about the future direction and rigour of the discipline.     

Focus groups for allied health professionals and professions allied to technical services in the NHS--marketing opportunities, lessons learnt and recommendations

Background: Worcestershire Health Libraries provides services to all NHS and social care staff in Worcestershire. Despite intensive marketing, statistics showed low usage of the library service for professions allied to technical services and allied health professionals. Objectives: To discover why there was low usage of the library services using qualitative techniques and to use focus groups as a marketing opportunity. This article also aims to outline the processes involved in delivering focus groups, the results gained, and the actions taken in response to the results. Methods: Focus groups were conducted in two departments, Pathology and Occupational Therapy. The Biochemistry department (part of Pathology) had two focus groups. An additional focus group was conducted for all the Pathology education leads. Occupational Therapy had two meetings, one for hospital based staff, and the other for community staff. Results: Issues centred on registration, inductions, time, library ambience, multi‐disciplinary service and resources. The findings raised marketing opportunities and the process identified potential candidates for the role of team knowledge officer, to act as library champions within departments. It also identified areas in which the library service was not meeting user needs and expectations, and helped focus service development. Conclusions: Focus groups allowed an opportunity to speak to non‐users face to face and to discover, and where appropriate challenge both their, and library staff’s pre‐conceived ideas about the service. The information revealed gave an opportunity to market services based on user needs.     

Modelling success networks to improve the quality of undergraduate education

Discussions of support and intervention in undergraduate university education are dominated by discussion of attrition. This study quests more broadly in arguing that support and intervention for undergraduate students may also benefit from models of engagement and success as well as conventional risk and failure. Supporting this proposition is a study that involved multifactorial approaches based in a combination of aspects of social network theory and social ecology theory. Analysis was enacted through social network analysis of archival data sets derived from a single cohort of 4065 undergraduate students at a regional Australian university. The findings suggest that models of academic success are suited to examination of the broader issues of student agency and undergraduate university education. The success networks developed are uniquely student-centred and place-based and may serve as more nuanced models for university intervention and support structures and mechanisms.     

Teacher evaluation in Illinois: school leaders’ perceptions and practices

The aim of the current study is to assess school leaders’ perceptions and practices in the context of a new policy that emphasizes teacher evaluation. The study draws from survey data of 606 K-12 school leaders in the USA in a state implementing a new teacher evaluation model under Race to the Top. Findings illustrate that school leaders spent significant time on teacher evaluation. Some felt this was a good investment of time (e.g., rich conversations with teachers), increasing the ability for evaluations to improve instruction. Most, however, perceived the time demands as a cost (e.g., spending longer hours on the job, delegating more tasks to others). School leaders felt very confident in their ability to conduct observations and provide feedback to teachers. The opposite was found for student achievement data. Administrators’ reported preparedness, confidence, and beliefs suggest that barriers exist to using student achievement data to evaluate teachers. Findings suggest that school leaders need resources to build capacity, particularly in accommodating the new time demands of teacher evaluation. Administrators could benefit from professional development that addresses the use and value of student achievement if this measure continues to be a substantial component in teacher evaluation models.     

Reducing test anxiety among school-aged adolescents: a field experiment

This paper evaluates the effectiveness of a multimodal and information technology (IT)-delivered intervention for test anxiety. Participants were randomly allocated to an intervention or waiting list group. Test anxiety was measured pre- and post-intervention and academic buoyancy, a construct that refers to students’ capacity to withstand academic challenge and pressure, as a covariate. In the intervention group, 13.7% of participants completed the full intervention programme comprising six sessions; 25.5% partially completed the programme (one or more sessions); and 60.8% of participants chose not to complete any sessions. Results showed that, after completing the intervention and when controlling for academic buoyancy, highly test anxious students showed a reduction in the worry and tension components of test anxiety, relative to those who did not complete the intervention. The findings suggest that the intervention may offer highly test anxious students a means of reducing their anxiety that does not rely on face-to-face delivery.     

Teaching Teamwork: Electronics Instruction in a Collaborative Environment

ABSTRACT

The Teaching Teamwork Project is using an online simulated electronic circuit, running on multiple computers, to assess students’ abilities to work together as a team. We pose problems that must be tackled collaboratively, and log students’ actions as they attempt to solve them. Team members are isolated from one another and can communicate only through an online chat channel, but modifications to the circuit made by any team member, insofar as they alter the behavior of the circuit, can affect measurements made by the others. We log all relevant student actions, including calculations (using an online calculator), measurements (using an online multimeter), inter-student communications, and alterations made by the students to the circuit itself. Automated analysis of the resulting data sheds light on the problem-solving strategy of each team, sometimes with surprising results.