On two effects of signaling the consequences for remembering

Five pigeons were trained to perform a delayed matching-to-sample task in which red- and green-colored keys were presented as sample and choice stimuli, and the duration of a delay interval varied across trials. Experiment 1 investigated the effects on delayed-matching accuracy of signaling different durations of food access for the two correct responses (the differential-outcomes effect), and of signaling nondifferential but larger durations for both responses (the signaled-magnitudes effect). In Condition 1, a vertical bar on either sample signaled different rewards (or different outcomes, DOs) for correct red and correct green responses (0.5 and 3.5 sec, respectively), and a horizontal bar signaled equal durations of food access (or same outcomes, SOs) for these responses (1.5 sec). In Condition 2, the horizontal bar signaled equally large rewards for the two correct responses (3.5 sec), and the vertical bar signaled equally small rewards (0.5 sec). Delayed-matching accuracies were higher on DO trials than on SO trials, and they were higher on large-reward trials than on small-reward trials. However, analyses of discriminability estimates as a function of delay-interval duration revealed differences between the forgetting functions reflecting these two effects. Signaling DOs increased the initial level of the function and reduced its slope relative to signaling SOs, whereas signaling larger rewards increased the initial level of the function but did not affect its slope relative to signaling smaller rewards. Experiment 2 investigated whether the difference between the initial levels of DO and SO functions in Condition 1 resulted from overall longer food access on the former trials. However, varying the food-access times on SO trials across three conditions (0.5, 3.5, and 1.5 sec) failed to produce systematic effects consistent with this hypothesis. The results are discussed with respect to the mechanisms that could be responsible for the two effects.     

Barriers to the Use of Computer Assisted Learning

This paper summarizes the results of a recent evaluation study on the use of computer assisted learning at the Open University. Our main finding is that students have a realistic view of the educational benefits of computer assisted learning and also of the practical problems associated with its use. These include: physical access, a variety of user interface standards and frustrating computer experiences leading to a fear of its use. We conclude by making some recommendations which would allow computer assisted learning to achieve its potential in the Open University and in distance learning generally.     

Gender differences in teacher-student interactions in science classrooms

Thirty physical science and 30 chemistry classes, which contained a total of 1332 students, were observed using the Brophy-Good Teacher-Child Dyadic Interaction System. Classroom interactions were examined for gender differences that may contribute to the underrepresentation of women in physics and engineering courses and subsequent careers. The Brophy-Good coding process allows for examination of patterns of interactions for individuals and groups of pupils. An analysis of variance of the data yielded a significant main effect for teacher praise, call outs, procedural questions, and behavioral warnings based on the sex of the student and a significant teacher-sex main effect for direct questions. Significant two-way interactions were found for the behavioral warning variable for teacher sex and subject by student sex. Female teachers warned male students significantly more than female students. Male teachers warned both genders with similar frequency. Male students also received significantly more behavioral warnings in physical science classes than female students. In chemistry classes, both male and female students received approximately the same number of behavioral warnings.     

Why context matters: a comparative perspective on education reform and policy implementation

This article explores the significance of context within the process of contemporary education reform and policy-making. It draws upon evidence from a comparative study of educational change and transformation in seven education systems: Australia, England, Indonesia, Hong Kong, Malaysia, Russia, and Singapore. The article focuses on school leadership preparation, training, and development, which has become a policy priority and central improvement strategy in many education systems. The article explores how seven education systems are using this strategy to promote school and system improvement. The article reflects upon the centrality of context in the process of policy implementation and in the broader pursuit of system transformation. The article concludes that more contextually appropriate approaches to educational policy selection are needed and that borrowing approaches from other countries many bring unintended consequences and unfortunate side effects. Further, the article concludes that the process of policy implementation, in context, requires far more attention, if the intended outcomes are to be achieved.     

Terminus Amnesia: Cherokee Freedmen,Citizenship, and Education

In 2007, the Cherokee Nation of Oklahoma amended its constitution to limit membership to only those who can trace lineal descent to an individual listed as Cherokee by Blood on the final Dawes Rolls. This exercise of sovereignty paradoxically ties the Dawes Rolls, the colonial instruments used to divide the lands and peoples of the Cherokee Nation, and self-determination. In the process, it effectively disenrolls Cherokee Freedmen, the descendants of Blacks enslaved by the Cherokee Nation. In this article, we explore the implications of this history in the context of self-determination and sovereignty, particularly looking at the influence of colorism on the Dawes Rolls and its ongoing effects. Our goal is to share a piece of history that is often obscured or unknown; to explore how and to what extent the exercise of self-determination and sovereignty in Indigenous nations is impacted by colorism; and finally to consider implications for practice created by the disenfranchisement of peoples from Indigenous nations.     

Preseason changes in markers of lower body fatigue and performance in young professional rugby union players

This study investigated the changes in measures of neuromuscular fatigue and physical performance in young professional rugby union players during a preseason training period. Fourteen young (age: 19.1?±?1.2 years) professional rugby union players participated in the study. Changes in measures of lower body neuromuscular fatigue (countermovement jump (CMJ) mean power, mean force, flight-time) and physical performance (lower body strength, 40?m sprint velocity) were assessed during an 11-week preseason period using magnitude-based inferences. CMJ mean power was likely to very likely decreased during week 2 (?8.1?±?5.5% to ?12.5?±?6.8%), and likely to almost certainly decreased from weeks 5 to 11 (?10?±?4.3% to ?14.7?±?6.9%), while CMJ flight-time demonstrated likely to very likely decreases during weeks 2, and weeks 4–6 (?2.41?±?1% to ?3.3?±?1.3%), and weeks 9–10 (?1.9?±?0.9% to ?2.2?±?1.5%). Despite this, possible improvements in lower body strength (5.8?±?2.7%) and very likely improvements in 40?m velocity (5.5?±?3.6%) were made. Relationships between changes in CMJ metrics and lower body strength or 40?m sprint velocity were trivial or small (<0.22). Increases in lower body strength and 40?m velocity occurred over the course of an 11-week preseason despite the presence of neuromuscular fatigue (as measured by CMJ). The findings of this study question the usefulness of CMJ for monitoring fatigue in the context of strength and sprint velocity development. Future research is needed to ascertain the consequences of negative changes in CMJ in the context of rugby-specific activities to determine the usefulness of this test as a measure of fatigue in this population.     

Activity theory,complexity and sports coaching: an epistemology for a discipline

The aim of this article is twofold. First, it is to advance the case for activity theory (AT) as a credible and alternative lens to view and research sports coaching. Second, it is to position this assertion within the wider debate about the epistemology of coaching. Following a framing introduction, a more comprehensive review of the development and current conceptualisation of AT is given. Here, AT's evolution through three distinct phases and related theorists, namely Vygotsky, Leont'ev and Engeström, is initially traced. This gives way to a more detailed explanation of AT's principal conceptual components, including ‘object’, ‘subject’, ‘tools’ (mediating artefacts), ‘rules’, a ‘community’ and a ‘division of labour’. An example is then presented from empirical work illustrating how AT can be used as a means to research sports coaching. The penultimate section locates such thinking within coaching's current ‘epistemological debate, arguing that the coaching ‘self’ is not an autonomous individual, but a relative part of social and cultural arrangements. Finally, a conclusion summarises the main points made, particularly in terms in presenting the grounding constructivist epistemology of AT as a potential way forward for sports coaching.     

Everything is at stake; yet nothing is at stake: exploring meaning-making in game-centred approaches

While not wishing to cover old ground in articulating the promise or continued promise of phenomenology within the physical education and sports domains, this paper aims to explore the ‘human’ nature of the game-centred approach (GCA) from an existential-phenomenological perspective. In a recent review of literature on the current state of research on GCAs, Harvey and Jarrett made the call for phenomenological-oriented empirical studies. Urging the academic fraternity to embrace such ‘participatory epistemologies’ is an extremely positive and important step by the authors. This is because, although they do not explicitly make the point, to call for the embrace of phenomenological-oriented research into GCAs, the authors are accepting the fundamental importance of individual experience and meaning in games teaching. If we focus on the individual it then becomes a distinct possibility of structuring increasingly meaningful game-centred practice. In this respect we analyze Martin Heidegger's notion of ‘being-in-the-world’ and illustrate how Arnold's three categories of meaningful movement—primordial, contextual and existential—can help facilitate ideas for pedagogical practice and provide an appropriate interpretive lens for future research into GCAs.     

Inside the locker room: a qualitative study of coaches’ anti-doping knowledge,beliefs and attitudes

It is widely assumed that coaches have an effect on athletes’ doping behaviours; however, the means by which this influence can be manifested are only superficially understood. The present study seeks to understand how coaches see their role in directly and indirectly influencing the doping attitudes and behaviours of athletes. Fourteen elite-level coaches participated in focus group discussions. Coaches displayed a low level of knowledge of banned methods and practices. While it was acknowledged that doping was prevalent in sport, coaches believed that doping was not a problem in their own sport, since doping does not aid in the development or implementation of sporting ‘skills’. While the findings suggest that coaches support the revised WADA Code, with increased sanctions for coaches, the findings also highlight how coaches may indirectly and inadvertently condone doping. This may be through inaction or the apparent endorsement of pro-doping expectancies.