Post-mortem cooling of the human head: an infrared thermology study

The post-mortem cooling of the human head, over the first fifteen hours after death, was measured by infrared thermology. A detailed temperature map of the head and face was obtained by the use of image processing techniques and the cooling behaviour of twelve preselected facial features was observed. The two main findings of the study were a difference in cooling pattern between the upper and the lower part of the head, and a consistency in the cooling pattern of the lower part of the head in all the cases studied. A comparison of various model fits to the raw data was undertaken and the "best" bodies, models and features were determined on a statistical basis. The formula that best fitted the raw data was a novel double application of Newton's law. The features with the least error in data fitting were the chin and zygoma; that with the most error was the mouth.     

Gender Differences in Self-Perceptions and Academic Outcomes: A Study of African American High School Students

There is increasing divergence in the academic outcomes of African American males and females. By most accounts, males are falling behind their female peers educationally as African American females are graduating from high schools at higher rates and are going on to college and graduate school in greater numbers. Some have suggested that school completion and performance is associated with how students feel about themselves. The purpose of this study was to explore gender differences in the relationship between self-perceptions and 2 academic outcomes among a sample of 243 African American high school sophomores. The results suggest that, overall, females are more favorably oriented toward high school completion. Both male and female students with more positive self-perceptions have stronger intentions to complete the current year of high school. Higher grade point averages were more strongly associated with greater self-efficacy for females than for males. Given these findings, increased attention to educational programming, societal messages, and future research is warranted.     

Mandates, Powers, and Policies

Elections provide a mandate to pursue a set of policies. Party label provides a concise ideological cue for voters to choose among candidates, and research on industrial democracies verifies a link between the parties voters elect and subsequent policy outcomes. The combination of inchoate party systems and economic vulnerability elsewhere may weaken the link between voter choice and policy. When examining economic policies in Latin America, there is some controversy as to whether governments carried out "reform by surprise"—promising one thing during a campaign while implementing another in office. We test whether the ideological reputations of executives' and legislators' parties explain whether they adopt market-oriented policies. We find that the future behavior of presidential candidates is difficult for voters to predict. However, the ideological reputation of legislators is a reliable predictor of policy outcomes, and the relationship is clarified by the prospects of collective action by legislative delegations.     

The Limits of Ecological Inference: The Case of Split-Ticket Voting

We examine the limits of ecological inference methods by focusing on the case of split-ticket voting. Burden and Kimball (1998) report that, by using the King estimation procedure for inferring individual-level behavior from aggregate data, they are the first to produce accurate estimates of split-ticket voting rates in congressional districts. However, a closer examination of their data reveals that a satisfactory analysis of this problem is more complex than may initially appear. We show that the estimation technique is highly suspect in general and especially unhelpful with their particular data.     

An Evaluation of Private Sector Provision of Public Infrastructure in Australian Local Government

Private sector provision of public infrastructure in Australia at all levels of government, including local government, has steadily increased over the past twenty years. Nevertheless, this method of providing public infrastructure remains controversial. This article seeks to provide a critical review of the arguments surrounding private sector provision of infrastructure in Australian local government. It examines both the case for private sector provision of municipal infrastructure in Australia and the major arguments advanced against this approach to infrastructure development. Given the conceptual argumentation and empirical evidence on private municipal infrastructure provision, it is argued that policy makers should employ a nuanced performance evaluation framework to assess the benefits and weaknesses of private provision on the basis of the specific type of infrastructure in question and the kind of services it provides rather than simply endorse carte blanche privatization.     

Priming Gender: Campaigning on Women's Issues in U.S. Senate Elections

The gender gap has been an important feature of American elections since 1980. Yet, most explanations for the effects of gender on voting behavior focus on differences between men and women without taking account of how campaign strategies may serve to highlight or mask these differences. I examine how Senate candidates act strategically in deciding whether and how to target women voters. I find that candidates make these decisions based largely on two factors: (1) the importance of these issues to the state's voters and (2) whether gender gaps had been decisive in previous statewide contests. Analysis of exit-poll data indicates that when campaigns focused more on women's issues, women became more likely to vote Democratic while the vote choices of men were unaffected. Thus, campaign strategies do appear to influence the importance of gender differences in voting behavior.