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Deborah L. Freedman Philip M. Podsakoff Scott B. MacKenzie 《Employee Responsibilities and Rights Journal》1993,6(2):115-137
The purpose of this study was to (a) compare the occupational sex stereotypes of 366 college students with those reported by Shinar in 1975, and (b) examine the relationships between demographic, experiential, and attitudinal variables and these occupational sex stereotypes. The results indicated a significant difference in occupational ratings from Shinar's study, with females' perceptions shifting more than males' perceptions. In addition, subjects' gender, tenure with female managers, and attitudes toward women as managers, were shown to be significant predictors of occuptational ratings. The implications of these findings for both employees and managers are then discussed. 相似文献
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MacKenzie R 《Journal of insurance medicine (New York, N.Y.)》2007,39(4):287-292
An applicant's electrocardiogram contains a low amplitude P, QRS and T wave pattern in lead I. The diagnostic and prognostic implications of this ECG pattern are discussed. 相似文献
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MacKenzie R 《Journal of insurance medicine (New York, N.Y.)》2007,39(3):205-213
The evaluation of a nonsustained wide QRS tachycardia in a life insurance applicant's exercise test presents a special challenge to the medical director because of the unpredictable and potentially lethal nature of these arrhythmias. Ventricular tachycardia accounts for up to 80% of wide QRS tachycardias in unselected populations and more than 95% of cases with a prior myocardial infarction. Malignant ventricular arrhythmias usually occur in the presence of significant structural heart disease. In this setting, ventricular arrhythmias carry a high risk of sudden cardiac death. Less commonly, ventricular tachycardia occurs in hearts that appear normal. In many such cases, however, the heart is in fact not normal, but rather has less visible abnormalities including derangements of cardiac ion channels or structural proteins. In these individuals, ventricular arrhythmias also carry a high risk of sudden cardiac death. There are, however, some ventricular tachycardia syndromes which occur in normal hearts that have a more benign prognosis. 相似文献
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MacKenzie R 《Journal of insurance medicine (New York, N.Y.)》2007,39(2):126-134
The presence of unexpected Q waves in an applicant's electrocardiogram poses a diagnostic dilemma for the medical director. On the one hand, the Q waves may be the remnants of a previously unsuspected "silent" myocardial infarction. Conversely, unexpected Q waves may represent a normal or positional variant, or an important noncoronary type of heart disease. This case study illustrates some of the pitfalls in interpreting applicants' electrocardiograms containing Q waves in the inferior leads. 相似文献
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Ian A. MacKenzie 《Resource and Energy Economics》2011,33(1):268-278
This paper investigates initial allocation choices in an international tradable pollution permit market. For two sovereign governments, we compare allocation choices that are either simultaneously or sequentially announced. We show sequential allocation announcements result in higher (lower) aggregate emissions when announcements are strategic substitutes (complements). Whether allocation announcements are strategic substitutes or complements depends on the relationship between the follower’s damage function and governments’ abatement costs. When the marginal damage function is relatively steep (flat), allocation announcements are strategic substitutes (complements). For quadratic abatement costs and damages, sequential announcements provide a higher level of aggregate emissions. 相似文献
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This paper explores the development and assessment, in the UK, of computer systems which are critical to human safety (focusing promarily on railways, civil aviation, offshore oil and defence), and also of those critical to national security are identified, ranging from ad hoc and unsystematic pratices, through good software engineering to the use of formal, mathematical methods. We discuss whether the resultant systems are safe and secure, and highlight two key problems: how to demonstrate safety and security, in advance of use; and how to ensure safe human computer interaction. 相似文献
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MacKenzie R 《Journal of insurance medicine (New York, N.Y.)》2004,36(3):255-259
Tall R waves in lead V1 present the life insurance company medical director with a diagnostic dilemma. This ECG pattern may be present in applicants with right bundle branch block, right ventricular hypertrophy, Wolff-Parkinson-White syndrome, posterior myocardial infarction, hypertrophic cardiomyopathy, muscular dystrophy, dextrocardia, misplaced precordial leads, as well as in normal individuals. This ECG case study discusses the ECG features involved in the differential diagnosis. 相似文献
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MacKenzie R 《Journal of insurance medicine (New York, N.Y.)》2001,33(1):106-109
The electrocardiogram (ECG) is a valuable screening tool for increased risk in underwriting life insurance applicants. This article discusses a recently described ECG pattern associated with a high risk of sudden unexpected death. 相似文献