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Trevor Davies Roger Elmer 《International Journal of Technology and Design Education》2001,11(2):163-180
The paper introduces the highly problematic nature of modelling in design and technology education and examines the relationship
between cognitive and concrete modelling. Its aim is to gain insight into what learners do, rather than what others say they
ought to do in their learning activities. The variety of purposes that educators have for learners’ modelling are discussed
through examining the contested curriculum justification for design and technology education itself. The paper proposes that
learners’ modelling cannot be extracted from the social milieu in which they act and it provides some insights of these social
influences through the analysis of two case studies. Their settings are a girls’ secondary school and a college of higher
education. Each case study is presented independently but organised with a common format to consider a) the impact of assessment
on learning intentions and outcomes; b) cultural influences on learning and modelling; c) social influences on learning and
modelling. A discussion of the emergent themes considers implications for teachers.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
74.
The determinants of medical malpractice incidents: Theory of contingency fees and empirical evidence
Roger Feldman 《Atlantic Economic Journal》1979,7(2):59-65
Summary A common criticism of the contingent fee arrangement is that it increases the total number of claims [Dietzet al., 1973, pp. 87–167]. This is true. But without contingent fees, risk averse plaintiffs would not offer the fair value of an incident and, as a consequence, would bear more of the cost of medical malpractice. This conclusion was reached in Section II by examining an expected utility model of plaintiff's decision-making.Section III presented empirical evidence on the determinants of malpractice incidentsper capita. High income, exposure to surgical operations, and a favorable legal system encourage incidents. The supply price of lawyers' time is negative and significant.This project was supported by Grant Number HS 01971 to the Health Services Research Center of the University of North Carolina at Chapel Hill from the National Center for Health Services Research, HRA. 相似文献
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An innovation which bypasses the need for instruments when estimating endogenous treatment effects is identification via conditional second moments. The most general of these approaches is Klein and Vella (J Econom 154:154–164, 2010), which models the conditional variances semiparametrically. While this is attractive, as identification is not reliant on parametric assumptions for variances, the nonparametric aspect of the estimation may discourage practitioners from its use. This paper outlines how the estimator can be implemented parametrically. The use of parametric assumptions is accompanied by a large reduction in computational and programming demands. We illustrate the approach by estimating the return to education using a sample drawn from the National Longitudinal Survey of Youth 1979. Accounting for endogeneity increases the estimate of the return to education from 6.8 to 11.2%. 相似文献
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Serial Nonparticipation in Repeated Discrete Choice Models 总被引:2,自引:2,他引:2
Roger H. von Haefen D. Matthew Massey Wiktor L. Adamowicz 《American journal of agricultural economics》2005,87(4):1061-1076
We consider alternative econometric strategies for addressing serial nonparticipation, that is, repeated choice of the same alternative or same type of alternative across a series of choice occasions, in data typically analyzed within the repeated discrete choice framework. Single and double hurdle variants of the repeated discrete choice model are developed and applied to choice experiment and multisite seasonal recreation demand data. Our results suggest that hurdle models can generate significant improvements in statistical fit and qualitatively different policy implications, particularly in choice experiment applications where the proper treatment of serial nonparticipation is relatively more ambiguous. 相似文献
79.
Roger J. Volkema 《Business Horizons》2009,52(6):595
Negotiation is an essential skill for personal well-being and professional success, a skill that begins with identifying and acting on one's wants and needs. Many individuals, however, lack the confidence, motivation, or training to simply ask for what they want in certain situations; for example, when negotiating with an important client. Still others are reluctant to initiate requests in general. This article discusses the personal characteristics and situational factors that influence an individual's likelihood of engaging another party in a negotiation, making a request, and optimizing that request. Herein, specific suggestions are offered for managing this critical phase of the negotiation process via three steps: mental preparation prior to the engagement; positioning prior to, and at the point of, the engagement; and verbal craftsmanship during the delivery of one's request. 相似文献
80.
Roger J. Volkema 《Thunderbird国际商业评论》2012,54(5):625-637
Negotiation is an interactive process that is important to all aspects of organizational success, a process that begins with communicating one's wants or needs. For many individuals, engaging others and asking for what one wants (i.e., initiating a negotiation) is a challenging task, made more difficult in an international context. Yet due to the integration of world markets, this is exactly the type of environment that many organizational representatives are facing with increasing regularity. This article offers an overview of the personal characteristics and situational factors that influence an individual initiating a negotiation (engaging a counterpart, making a request, and optimizing that request), with specific attention to seven cultural factors that must be understood to be most effective in international settings. The ways in which these cultural factors are likely to affect one's decision to engage a counterpart and style of delivery are illustrated for three countries: the United States, China, and Brazil. © 2012 Wiley Periodicals, Inc. 相似文献