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(1995)Conference PaperMany methods for predicting the resistance of various types of marine craft are now available in the literature. Some methods are more reliable than others, and knowing which are the best can be important. At UNSW we have begun a long-term program of implementing the various methods for student use, and evaluating them by comparisons with available data. The prediction methods cover displacement, pre-planing and planing hulls, and catamarans. This paper looks at some of the methods which have been programmed and some which have not, their limitations, and some experiences of the use of those which have been programmed. The opportunity is also taken to correct typographical errata in some of the original papers which otherwise limits the use of the methods.
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(2002)Conference PaperDespite numerous studies on the reliability of peer marking of oral presentation skills, no empirical studies to date have addressed the validity issue of whether students use a different 'perspective' from teachers in making an overall assessment. This paper analyses peer and teacher assessment data from thesis presentations made by students enrolled in a fourth year subject 'Communications for Professional Engineers'. The study uses a novel application of the 'index of association' statistic to determine the extent to which the variance of marks by teachers and by peers for the overall quality of the presentations can be attributed to factors other than errors associated with unreliable measures. Results indicate that students had applied criteria which were quite different from those used by teachers. The discussion describes methodologies which can be employed to determine which skill criteria are most influential in the determination of a global mark for oral presentations, and outlines plans to identify the ways in which students and staff differ in the criteria they apply.
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(2008)Journal ArticlePurpose: Despite the established importance of the role of family history in prostate cancer, relatively little research encompasses the psychosocial issues relevant to unaffected men with a family history of prostate cancer. To determine the completeness and quality of available literature on the issues faced by men with a high risk of prostate cancer, we conducted a multidisciplinary review of the literature to provide some guidance on the information that clinicians might provide to men who are concerned about family history. Materials and Methods: A structured literature search was conducted by a multidisciplinary team of clinicians and researchers who reviewed the medical and psychosocial literature, and identified 21 relevant studies. Results: Research suggests that many high risk patients are concerned about the risk of prostate cancer, and some may significantly overestimate that risk. Several studies have shown high screening rates among high risk patients and high levels of interest in genetic testing for prostate cancer risk should it become available, yet many men also report a desire for more information about their personal risk and risk management options. Conclusions: Given the lack of clear data on the efficacy of prostate cancer screening among high risk patients, clinicians could consider providing men who are concerned about family history with information on their personal risk, help them to clarify the potential benefits, limitations and harms of prostate cancer screening in their situation, and then support their choice regarding the management of prostate cancer risk.
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(2001)Conference PaperRecent reviews on assessment in higher education have emphasised the importance of written formative assessment as part of the process of assessing oral presentation skills, and have identified the need for case studies to investigate the content and character of feedback which students receive. The paper analyses the written feedback provided by teachers who acted as assessors for conference presentations made by engineering students enrolled in a fourth year subject at The University of New South Wales. The study employs content analysis to describe the extent, content, and character of these comments, and to identify which performance skills staff focus on in providing such feedback.
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(2003)Conference PaperA number of studies have questioned the criterion validity of peer assessed oral presentations. Claims have been made that students are likely to employ a different perspective from teachers when assessing overall presentation quality, even when both are guided by a common checklist of relevant skill components.To date, no empirical investigations have been undertaken to determine how students differ from staff in the criteria they apply. this paper analyses peer and teacher assessment data from thesis presentations made by engineering students in a fourth year communications subject. The data consists of peer and teacher ratings on eight skill components listed on a checklist (used for feedback only), together with a global mark for the presentation (the summative assessment).The scores on the eight items were then subject to multiple regression analysis using the global mark as the criterion. Substantial differences were found between the two multiple regression equations. Discussion focuses on how these differences affect the validity of peer assessments, and the level of agreement between teacher and student assessment.
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(1999)Conference PaperPipe laggings are used as a means of inhibiting the transmission of sound radiated from pipes. They are usually formed of porous jackets such as fibreglass or rockwool blankets and impervious jackets such as cladding sheets. Sometimes air spaces are used to separate these jackets from the pipe and each other. Papers in the readily available literature relating to the acoustic performance of pipe laggings are generally concerned with presenting experimental results such as frequency dependent insertion losses. The authors have developed a model to calculate the insertion losses produced by such laggings when the lagged pipes are vibrating in their low order structural modes. The results of the model indicate that negative insertion lossess are not unexpected with conventional pipe laggings, particularly at low frequencies.
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(1992)Conference PaperThis paper is the outcome of a study made to investigate the students' approach to learning in a core subject of a first year Mechanical Engineering Course at the University of New South Wales. The Biggs Study Process Questionnaire was used to study the learning strategy of the students. Also, students were interviewed in order to understand their perceptions of the teaching context. A student evaluation of teaching was conducted using a standard evaluation procedure to investigate if the students' approach to learning is related to the teching adopted. It was found that a substantial proportion of students adopted a surface approach in their study strategies. The reasons for this are discussed in relation to the context of teaching and information obtained from students' feedback on teaching.
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