Accelerating mathematics learners : what counts?

This article elaborates on my statements quoted in The Age October 2014 article 'More students take on VCE mathematics subject early'. (http://theage.com.au/victoria/more-students-take-on-vce-subjects-early-20141024-11b4rv.html). This article was about accelerating mathematics students by allowing them to take year 11 Mathematics subjects in year 10, and year 12 Mathematics subjects in year 11. My statements were 'Although 'taking on Year 12 subjects early could help students prepare for the workload once they reach their final year ... based on my research and teaching experience, you don't take on early those subjects that are going to be key to your university studies' because 'going early means you are going to rely much more heavily on learning things faster.

A window for a purpose: developing a framework for describing effective science teaching and learning

This paper describes the development of a framework – the SIS Components – for describing effective teaching and learning in science, to support a system wide change initiative. The methodology used and the analysis that led to their refinement, is traced to expose the different issues involved in constructing the notion of lsquoeffective practice.rsquo These issues have to do with purpose, politics and audience. They determine features of the framework such as specificity, elements focused on, and the support structures that are put in place to establish the particular discourse being promoted. The paper describes the different research methods used to establish, to promote and to validate the components, and outlines the different senses in which this and any framework can be seen as contingent on the setting for which it is intended.

Well-being and menopause: an investigation of purpose in life, self-acceptance and social role in premenopausal, perimenopausal and postmenopausal women

Objectives: Many studies have investigated anxiety and depression during the menopausal transition. However, there is little understanding of positive aspects of well-being among menopausal women. This paper reports on two studies which investigated how menopausal stage and age accounted for how women felt about their purpose in life, self-acceptance and social role. Method: In Study One, 304 women from a community sample completed structured questionnaires which included questions relating to demographic background and two subscales of the Psychological Well-being Inventory: purpose in life and self-acceptance. In Study Two, 203 participants from Study One returned a follow-up structured questionnaire related to purpose in life and social role. Results: Study One found that the effects of age group and menopausal group could not be separated: All women felt they would be more positive about these well-being measures in the future than they had been in the past and at present. Study Two found that women who were perimenopausal and postmenopausal did not feel as positive about their role/s in life as premenopausal women, regardless of their age. Conclusions: The results suggest that the menopause may indicate to women that their role/purpose in life is changing. It is important that any understanding of the menopause incorporate psychosocial aspects of women''s lives. Further longitudinal studies are needed to explore well-being factors and the menopause.

Corporate donations, the best interest of the company and the proper purpose doctrine

Corporate philanthropy is illegitimate spending by powerful corporate elite of someone else’s money; an attempt to bypass democratic allocation of taxes; philanthropy by individuals is laudable, but not by corporations.

Just as I wouldn’t want you to implement your personal judgments by writing checks on my bank account for charities of your choice, I feel it inappropriate to write checks on your corporate ‘bank account’ for the charities of my choice.

Growth of highly versus moderately trained competitive female artistic gymnasts

Purpose: To investigate whether growth was adversely affected in 137 young competitive female artistic gymnasts involved in different training volumes.

Methods: This was a 2-yr prospective cohort study in which height, sitting height, leg length, weight, skinfolds, and pubertal status were measured in competitive advanced (20–27 h·wk-1) and intermediate (7.5–22 h·wk-1) training level female gymnasts every 6–12 months. Biological parameters of the adolescent growth curve were estimated using the Preece–Baines growth model. Growth rates were estimated for both groups from the mixed-longitudinal data.

Results: Estimated ages at peak height velocity (PHV) (13–13.5 yr) and mean PHV (6.2–6.4 cm·yr-1) for the advanced- and intermediate-level gymnasts suggest that these gymnasts were later maturing and experienced a blunting of the growth spurt relative to reference values for U.S. youth. Comparison of growth velocities by pubertal status revealed that height velocity was lower in the advanced- versus the intermediate-level peripubertal gymnasts, which was due to a significant reduction in sitting height velocity (2.3 vs 3.1 cm·yr-1, P. < 0.05). No marked acceleration in height or sitting height velocity was detected in the advanced-level gymnasts from pre- to peripuberty. Inspection of individual growth rates revealed that over 35% of the pre- and peripubertal gymnasts experienced growth faltering (height velocity less than 4.5 cm·yr-1) during follow-up.

Conclusion: Advanced–and intermediate–training level competitive female gymnasts tend to exhibit an adolescent growth spurt that is similar in timing and tempo to short, normal, slowly maturing girls, but the high frequency of growth faltering suggests that training may alter the tempo of growth and maturation in some, but not all, female gymnasts.

On rapid vector alignment in permanent magnet brushless motor

A software replacement for the commutation signals of a permanent magnet brushless motor is presented. The feedback observed acceleration loop or equivalently the high-order position polynomial controller allows finding the initial relative orientation between the two magnetic fields of the motors within a fraction of a second. Also, using the proposed method allows a considerable cost saving, since the transducer that is usually used for this purpose can be eliminated. The cost saving is most obvious in the case of linear motors and angle motors with large diameters. The way the problem is posed is an essential part of this work and it is the reason behind the apparent simplicity of the solution. The method has been tested when a relative encoder was used and the motor current was regulated.

Adolescents' use of purpose built shade in secondary schools : cluster randomised controlled trial

Objective To examine whether students use or avoid newly shaded areas created by shade sails installed at schools.

Design Cluster randomised controlled trial with secondary schools as the unit of randomisation.

Setting 51 secondary schools with limited available shade, in Australia, assessed over two spring and summer terms.

Participants Students outside at lunch times.

Intervention Purpose built shade sails were installed in winter 2005 at full sun study sites to increase available shade for students in the school grounds.

Main outcome measure Mean number of students using the primary study sites during weekly observations at lunch time.

Results Over the study period the mean change in students using the primary study site from pre-test to post-test was 2.63 (95% confidence interval 0.87 to 4.39) students in intervention schools and –0.03 (–1.16 to 1.09) students in control schools. The difference in mean change between groups was 2.67 (0.65 to 4.68) students (P=0.011).

Conclusions Students used rather than avoided newly shaded areas provided by purpose built shade sails at secondary schools in this trial, suggesting a practical means of reducing adolescents’ exposure to ultraviolet radiation.

Trial registration Exempt.

Building interactive relationships : the risks, dilemmas and learning initiatives associated with partnerships with 'real' purpose

Many teachers already do all kinds of interesting and potentially useful data collection with their students but in a fridge door context the data is rarely kept, the analyses are rarely shared beyond the classroom (except on a family’s fridge door) and it is very rare that data is stored and added to over time. (Bigum, 2002)

Policy, practice and purpose in the field of education : a critical review

This paper provides a critical review of papers in this special issue on Bourdieu and practice. What is different about this collection is that, in analysing policy and practice through a Bourdieusian lens, the thinking tools of field, disposition (collective and individual), logics of practice and doxa have been mobilised with regard to the social practices of educational policy - its production, circulation and reception. First, these papers illustrate how, as a field, education has its own language, boundaries and power relations informed by particular modes of distinction and legitimation around different forms of capital formation, thus providing explanations for both social mobility and social stratification. Second, this collection foregrounds 'policy as practice' in terms of the social practices involved in the production of policy, the practices involved with the articulation and vernacularisation of policy through the processes of its reception, as well as the intent and effects of policy changing practice. Third, in focusing on specific policy problematics in higher education and schools, teacher professional development, leadership and educational reform, these contributions illustrate multiple methodological approaches as to how Bourdieu's thinking tools can be used to theorise educational policy, change, practice and effects. The value of Bourdieu's work lies on getting past the impasses between divisions between material and cultural analyses, between the materialist and linguistic focus, by talking about social practices, what people are doing, how they are thinking and how they are acting.