155 resultados para Computer based training
Resumo:
This paper reports on a study on the perceived effectiveness of educational resources within the context of a single course in a first-year biology program at the University of Sydney (Australia). The overall study examined the dynamic state of perceptions towards these resources by the major stakeholders involved with the course (students, teaching staff, and technical staff). A major focus of the research was the extent to which the students used the computer-based resources made available to them, and staff and students' perceptions of the usefulness of these resources in supporting their learning. Specifically, results are discussed related to student use of computers and the Internet, use of biology online materials in the virtual learning environment, use and perceptions of communication technologies, and use and perceptions of computer-based online resources. Data were collected from the students using surveys and focus groups and from staff using surveys and interviews within an action-research paradigm. While the majority of students found the resources to be of use in supporting learning, some did not find them useful, and some did not use them at all. In comparison, the staff had higher expectations of both usage and usefulness. The level of student use was not a function of access to computers or the Internet, so the findings suggest that the provision of online resources will not necessarily generate value-added learning.
Resumo:
Debates continue about the relative benefits, costs and risks of the diffusion of computer-based technologies throughout society and schooling. One area that has received considerable attention is gender equity. Early work on gender and computers focused on differences between male and female access and use (e.g. Huff, Fleming & Cooper, 1992; Kirkman, 1993; Morritt, 1997; Nelson & Cooper, 1997; Sofia, 1993), with concerns focused on the potential for girls to be disadvantaged. In some respects, it is arguable that problems of gender equity in schools with respect to computers have been overcome. For example, in a small study I conducted in two New Zealand senior primary classrooms in 2003, I found that both boys and girls were motivated to use computers and appeared to have equal opportunities to access computers in the classroom. The students in my study expressed a belief in the importance of using computers, and this belief can also be discerned from educational policy and media coverage. In this paper I argue that, although gender by itself no longer appears to be a source of disadvantage in terms of access to and use of computers in schools, many questions about technology, schooling and power relations still remain unanswered. I present two alternative viewpoints on the new digital age. First, I explore Melanie Stewart Millar’s (1998) analysis of digital discourse as one which reproduces the power of white, middle-class, educated, well-paid males, and excludes anything else it considers ‘Other’. Second, I review arguments that the digital age has provided sites for the transcendence of traditional hierarchies and inequalities (e.g. Spender, 1995). I conclude that, despite the discrepancies between these two viewpoints, both concur that technological disadvantage will exacerbate any existing inequality that might result from intersections of identity categories, such as, gender, ethnicity, age, and socio-economic status, and that in this digital age, technological efficacy is arguably a new identity category.
Resumo:
In 1983, a competency-based vocational education (CBVE) program began in Croydon Park College of TAFE, South Australia. This was six years before the Australian State Ministers of Vocational Education and Training decreed competency-based training (CBT) to be the national training imperative. Two reports were produced in 1985 and 1987, based on evaluations over a three-year period. 25 years on, the two authors have tracked down and interviewed some of the original staff in the program. This paper traces the vicissitudes of an idea - CBT - as it was conceived in 1982, implemented from 1983, evaluated over a three-year period and as it became transformed over the next generation. What were the features of CBVE then? How did these features alter over time? What contextual factors may account for shifts over this period? To respond to these questions, the paper uses data from 1983-85 and interview data from 2008.
Resumo:
Recent experiments (Dittrich et al. (Proc. R. Soc. Lond. B 251, 195 (1993))) suggest that pigeon perception of wasp mimicry by hoverflies is similar to that of humans and of computer-based image matching. However, the relations are nonlinear and may explain why some species are abundant despite their being poor mimics to the human eye. We suggest that these discrepancies between pigeon and human categorization may lie in the differences between avian and primate colour vision. As pigeon categorization and computer image analysis were both assessed by using colour slides designed for human vision, they lacked the natural colour information available to wild birds, in particular that from ultraviolet (uv) wavelengths.
Resumo:
An investigation of junior primary school children's use of computer-based music technology found that, with active support from teachers, young children were able to participate effectively in relatively complex musical processes, with particular regard to listening, performing and composing, thus extending the traditional scope of young children's music education.
Resumo:
A good deal of investigation and development is underway in Australian universities into the possibilities for effective and efficient on-line and computer-based assessment. The current commercial ‘virtual learning environments’, which integrate various curriculum elements at subject level into a single software portal, usually offer various built-in options for student assessment. As well, many on-line assessment initiatives are being locally developed to suit specific curriculum needs.
There are many reasons why on-line assessment is being adopted by Australian universities. Many academics are seeking to diversify assessment tasks, broaden the range of skills assessed and provide students with more timely and informative feedback on their progress. Others are wishing to meet student expectations for more flexible delivery and to generate efficiencies in assessment that can ease academic staff workloads. All staff involved in such initiatives are discovering they face a large number of technical and educational decisions.
The move to on-line and computer based assessment is a natural outcome of the increasing use of information and communication technologies to enhance learning. As more students seek flexibility in their courses, it seems inevitable there will be growing expectations for flexible assessment as well.
At the same time, in a climate of increasing academic workloads, the adoption of on-line assessment may help to manage large volumes of marking and assessment-related administration efficiently. The automation of routine on-line tasks, in particular, may have the potential in the long-term to provide time/cost-efficient student assessment, though the present evidence suggests that some on-line assessment, at least in the early stages, can add significantly both to staff workload and to overall expenses.
Resumo:
A well-developed understanding of rate is foundational to conceptual understanding of introductory calculus. Many students achieve procedural competence with the application of rules for differentiation without developing an awareness of the connection between derivative and rate. In addition, rate-related reasoning is needed to make informed decisions in many everyday applications of rate. This paper reports on additional data collected during interviews for a project investigating the different ways rate may be experienced by pre-calculus students. Many researchers (for example Kaput, 1999) have suggested that the conceptual understanding of function may be enhanced through the presentation and exploration of multiple representations of a variety of functions. In this paper, one section of each interview is considered in detail to evaluate the participants’ understanding in a specific rate context. Participants were asked to discuss a dynamic geometry simulation of a blind on two different windows one rectangular and the other not. Detailed analysis of the video-record of each participant’s interview provides insights into their perceptions of rate in several different representations. In the sections below, the conceptual framework is described; details of the interviews and the computer-based simulation are provided; and the analysis of the data is discussed.
Resumo:
'Transformative learning' is a term used by Mezirow (1991) and his followers to designate a specifically 'adult' kind of learning that involves shifts in how learners view the world and themselves. New research into learning in VET suggests that in some subject areas transformative learning may play more than an incidental role. Among the implications of this finding is that the trainer's practice may be more important in VET than it has been the custom to acknowledge. When transformative learning systematically contributes to VET, the trainer becomes a co-constructor of competence rather than a transmitter of skills and knowledge.
This paper reports on this new research and reflects on the role of the trainer in the process of VET-oriented transformative learning. Results indicate that some trainers of youth workers develop a practice that responds to the contours and dangers of transformative learning without necessarily being aware of the body of knowledge that has built up around this type of learning. The paper suggests that in some VET sectors, trainers and RTO's could enhance their work by taking stock of transformative learning research and theory.
Resumo:
It is often argued that at the root of the Taiwan question are the myriad differences in politics, ideology, identity, and economy between mainland China and Taiwan. Any prospect for its peaceful resolution, it seems, hinges on bridging those differences through economic and/or political integration. Although the Taiwan conundrum has much to do with wide-ranging cross-strait divergence, this article argues that it cannot be disconnected from one important commonality between Beijing and Taipei, namely, a cross-strait normative convergence on the Westphalian notion of state sovereignty. Encompassing an exclusionary understanding of final authority, territory, and identity, Westphalian sovereignty provides both Beijing and Taipei with a common meaning that Taiwan is an issue of sovereignty, central to their respective national identity and political survival and hence not subject to compromise. As a consequence, it argues that this common meaning is paradoxically responsible for much of the mistrust, tension, and deadlock in cross-strait relations. In order to find a long-term solution to the Taiwan impasse, we need to pay attention to this particular normative convergence as well as to the many differences across the Taiwan Strait.
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Pharmacokinetic studies have become an integral part of modern drug development, but these studies are not regulatory needs for herbal remedies. This paper updates our current knowledge on the disposition pathways and pharmacokinetic properties of commonly used herbal medicines in humans. To retrieve relevant data, the authors have searched through computer-based literatures by full text search in Medline (via Pubmed), ScienceDirect, Current Contents Connect (ISI), Cochrance Library, CINAHL (EBSCO), CrossRef Search and Embase (all from inception to May 2010). Many herbal compounds undergo Phase I and/or Phase II metabolism in vivo, with cytochrome P450s (CYPs) and uridine diphosphate glucuronosyltransferases (UGTs) playing a major role. Some herbal ingredients are substrates of P-glycoprotein (P-gp) which is highly expressed in the intestine, liver, brain and kidney. As such, the activities of these drug metabolizing enzymes and drug transporters are determining factors for the in vivo bioavailability, disposition and distribution of herbal remedies. There are increasing pharmacokinetic studies of herbal remedies, but these studies are mainly focused on a small number of herbal remedies including St John's wort, milk thistle, sculcap, curcumin, echinacea, ginseng, ginkgo, and ginger. The pharmacokinetic data of a small number of purified herbal ingredients, including anthocyanins, berberine, catechins, curcumin, lutein and quercetin, are available. For the majority of herbal remedies used in folk medicines, data on their disposition and biological fate in humans are lacking or in paucity. For a herbal medicine, the pharmacological effect is achieved when the bioactive agents or the metabolites reach and sustain proper levels at their sites of action. Both the dose levels and fates of active components in the body govern their target-site concentrations after administration of an herbal remedy. In this regard, a safe and optimal use of herbal medicines requires a full understanding of their pharmacokinetic profiles. To optimize the use of herbal remedies, further clinical studies to explore their biological fate including the disposition pathways and kinetics in the human body are certainly needed.
Resumo:
Fighting wildland fire is a physically demanding occupation. Wildland firefighters need to be physically fit to work safely and productively. To determine whether personnel are fit for duty, many firefighting agencies employ physical competency tests, such as the pack hike test (PHT). The PHT involves a 4.83-km hike over level terrain carrying a 20.4-kg pack within a 45-min period. The PHT was devised to test the job readiness of US wildland firefighters but is also currently used by some fire agencies in Australia and Canada. This review discusses the history and development of the PHT with emphasis on the process of test validation. Research-based training advice for the PHT is given, as well as discussion of the risks associated with completing the PHT. Different versions and modifications to the PHT have emerged in recent years and these are discussed with regard to their validity. Finally, this review addresses the relevance and validity of the PHT for Australian and Canadian wildland firefighters.
Resumo:
The research reported in this paper considers Product Innovation from a broader perspective than that of the isolated NPD (New Product Development) project commonly discussed in the literature. In this perspective, Product Innovation is a continuous and cross-functional process involving the sharing and transfer of knowledge within the many steps of the innovation process, and the integration of a growing number of different competencies inside and outside the organisational boundaries. This paper examines two in-depth case studies that were carried out to establish if and how learning occurred within companies developing new products. Based on a model developed as part of a joint Euro-Australian research project, the way in which the selected companies share and transfer knowledge and learning experiences during their product innovation processes have been examined and analysed. This model uses a number of interrelated variables including performance, behaviours and levers to stimulate improvement, contingencies, and learning/innovation capabilities to describe the learning and knowledge transfer in product innovation processes within the case studies. This paper discusses some of the skills the research has identified that managers need to enable their companies to gain a competitive advantage through improved product innovation. The ongoing research has developed, tested and disseminated a computer-based methodology to assess organisational knowledge capture and transfer in the new product development process. The research is part of the Euro-Australian co-operation project known as CIMA (Continuous Improvement and Product Innovation Management).
Resumo:
This research is related to the user-centred design and use of Virtual Environment (VE) training systems. A multidimensional user-centred systematic training evaluation framework that combines ideas from human-computer interaction, training, education and psychology was proposed, which contributes to better design and evaluation of VE user interfaces.
Resumo:
Many organizations are implementing Internet technology, specifically Word Wide Web technology, inside the organization in the form of an “organizational Internet” or irttrunet. Intranet technology can unify dispersed computer based information systems in the organization into one rich “system”. Thus, intranets can have a major impact on organizational processes, for example cross-functional information sharing and collaboration. We focus on the social aspects surrounding intranet implementation. We seek to answer how intranet implementations shape and how they are shaped by ‘social structures employed by organizational agents. We adapt structuration theory into an explanatory device to analyze inhanet implementation and we apply it to four cases. We conclude that, intranets are initially more shaped by, rather than shaping social structures, but that this may change over time. The following learning points are condensed: Firstly, intranets are socially constructed and implementers need to be cautious when seeking to transplanting Web technology into an organizational context. Secondly, intranets typically evolve in sophistication over time. Finally, institutionalization is isolated as the key challenge in intranet implementation.
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Computer-based environments for supporting design are complex software artifacts. These tools need to use sound computational formalisms as well as address issues of human usability. The development of interactive and usable generative systems is a significant research area in design computation. Though classical search techniques play a central role in the generative kernels of these "closed-world" systems, the open-ended exploration of design spaces is the desirable goal. In this paper, we present a formal model of exploration that combines search with user driven exploration. We describe the role of interaction and agency in an experimental mixed-initiative design support system.