The effect of modifiers on the stability of a vinyl acetate/ethylene copolymer dispersion

This paper examines the effect of modifiers on the stability of a vinyl acetate/ethylene copolymer dispersion adhesive upon aging. Eighteen common modifiers were added to a well-characterized vinyl acetate/ethylene copolymer dispersion (Dur-O-Set^® E-150) in known concentrations and dry-film samples were subjected to 16–17 years of dark aging and seven to eight years of light aging. Yellowing, pH, gloss, swelling, cohesive strength, and flexibility were monitored for changes upon aging. Generally, the neat Dur-O-Set^® E-150 (no additives) was found to become acidic on aging, but was fairly resistant to yellowing. It also swelled substantially in toluene, was of high gloss, medium strength, and flexible, and remained so on aging. No modifier was found to improve these properties. Various solvents, wetting agents, and thickeners did not alter the properties by much, while plasticizers, freeze-thaw stabilizer, glycerin, and certain fillers had a more negative effect.     

The metaphor and reality of contextual transfer

The article reports on the first phase of a large‐scale qualitative research project that explored the perceptions of training practitioners on how they understood the process by which we carry our knowledge and skill across different contexts. Clearly, this is a process of transition, where it is the individual who moves across the contexts and consequentially adapts, reshapes and makes decisions as to the applicability of his/her current competence within the new context of situation. The research has uncovered the complexity of this transition and the decision making involved, and provided participant support for some of the emerging theories of learning which take the concept of learning away from that of bounded learning where the material to be learnt in already known and there are experts who can transmit the necessary knowledge and skill to one of expansive learning where what is to be learned is not stable or well defined or understood ahead of time. The outcomes of the research, which are embedded in the developed model, suggest that we need to use formal learning to prepare our learners for the challenge of expansive learning.     

Towards Inclusion: A Whole School Approach that Incorporates the Principles of 'Discipline for Learning' and its Effect on Three Year Ten Pupils

This paper describes how a school has sought to create a more inclusive ethos and improve standards of behaviour through the introduction of a structured programme, 'Discipline for Learning'. The writer sought to evaluate the effectiveness of the programme through case studies of three specific pupils. These did not provide a full evaluation of the programme but threw considerable light on a range of issues that related to it and suggested that, given the full commitment of staff, the programme could make a positive contribution. Equally the case studies identified a number of failures in the way that the programme had been implemented and was operating.     

Relational pedagogy for student engagement and success at university

The Australian Government’s policy to transform higher education by 2020 includes plans to significantly raise the levels of undergraduate enrolment by people of low socio-economic status. In light of this policy direction, this article examines how a group of undergraduate students of low socio-economic status work to maintain their desire for learning and to remain included in the university system despite experiencing cultural processes of exclusion. As the students reflect on the cultural and pedagogical conditions that promote, support and enhance their participation and engagement in higher education, a picture emerges of the importance of students’ relationships with academics. Whilst positive relationships help students to remain engaged, negative experiences work against continuing participation and engagement. Given the desire of the Australian government to increase participation in higher education by students from under-represented groups, this research identifies some challenges and possibilities for both universities and academics.     

Validity of the management communication style construct

A relatively recent addition to the organizational communication literature is the Management Communication Style (MCS) measure developed by Richmond and McCroskey (1979). Although the reliability of this measure has been reported, estimates of validity are noticeably missing. The present study assesses the validity of the MCS instrument by examining the relationship between employees perceptions of supervisors on the MCS and pertinent communication behaviors. Results support positive relationships between MCS and listening, understanding, and quality of communication. Findings provide preliminary evidence supporting the validity of the MCS instrument. Implications for future research are discussed.     

Making Sense of Performance Management: official rhetoric and teachers’ reality

Performance management is one aspect of major reforms which have transformed the public sector workforce in Australia and other Western countries since the 1980s. Embedded in the discourse of managerialism, performance management represents an attempt by the state to make workers—in this case teachers—more efficient, more effective and more accountable. In this paper we want to explore and compare a number of perspectives on performance management. Firstly, we consider several evaluation studies which have been undertaken in various contexts over recent years. These studies tend to take for granted the assumptions behind performance management and to judge its effectiveness within the framework of managerial thinking itself. Secondly, we review the critical literature which locates performance management in a broader social and political context and considers the interests it might serve. Finally, we present the perspectives of a focus group of teachers who are currently ‘being performance managed’ and reflect on the relationship between their stories, the official rhetoric of their education system and the views expressed in the literature.     

How are Teachers Managing Performance Management?

This study reports the findings of a 2-year longitudinal study that examines the stance taken by a group of Western Australian teachers to the introduction of compulsory performance management in 1997. It shows that during the first year of implementation (1997), teachers responded to the new programme with significant levels of scepticism, mistrust and anxiety. By the second year (1998), despite continued reservations, the teachers found they could take charge of the process, maintain a sense of autonomy and control over their work, and capitalise on the limited opportunities for professional growth provided by annual appraisal cycles. A concluding theme emerging from the teachers' reported experiences and reflections is that management-inspired programmes of performance review have little impact on authentic teacher learning compared with active teacher participation in strong, accountable professional learning communities developed within and across schools.     

Critically re-conceptualising early career teacher resilience

In this paper, we describe how and why we adopted a socially critical orientation to early career teacher resilience. In re-conceptualising early career teacher resilience, we expose the normative components of resilience by revealing the implicit values, beliefs and assumptions that underpin most traditional conceptions of resilience. We argue against the hyper-individualisation of the concept because it leads to a diminution of the influence of situational and structural forces on early career teachers’ experiences, and shifts primary responsibility for early career teacher well-being onto the individual. We lay the groundwork for a critical perspective on teacher resilience capable of illuminating the ‘problems’ of early career teachers within a broader social, cultural and political context. Our analysis is designed to promote further debate about new ways of seeing early career teacher resilience with the aim of creating and sustaining a spirit of optimism and human agency, as well as a sense of health and well-being among early career teachers.     

Promoting early career teacher resilience: a framework for understanding and acting

In this paper, we undertake a brief review of the ‘conventional’ research into the problems of early career teachers to create a juxtaposed position from which to launch an alternative approach based on resilience theory. We outline four reasons why a new contextualised, social theory of resilience has the potential to open up the field of research into the professional lives of teachers and to produce new insights into the social, cultural and political dynamics at work within and beyond schools. We then move from these theoretical considerations to explain how we used them in a recent Australian research project that examined the experiences of 60 graduate teachers during their first year of teaching. This work led to the development of a Framework of Conditions Supporting Early Career Teacher Resilience which we outline, promote and advocate as the basis for action to better sustain our graduate teachers in their first few years of teaching. Finally, we reflect on the value of our work so far and outline our practical plans to ‘mobilise’ this knowledge in ways that will make it available to a variety of audiences concerned with the welfare of this group of teachers.