background: various studies show an association between lack of social skills in adolescents and the future incidence of behavioral disorders. if girls, as future mothers, lack adequate health, awareness, self confidence and social skills, they may act as a source of many social problems. therefore, the present study has tried to educate this group on one of the most essential social skills, re...

background: in this study the overall, age and sex prevalence of diabetes mellitus and high blood pressure were calculated and the association among some risk factors and these two diseases, occurring simultaneously, were studied. methods: in this cross-sectional study 3000 isfahanian men and women between the ages of 15-64 were investigated by using stratified sampling method with multi-stage ...

Prior research has shown that people have a tendency to be overly optimistic about future events (i.e., optimism bias) in a variety of settings. In this study, we suggest that optimism bias has significant implications for IT project risk management, as it may cause people to become overly optimistic that they can easily manage project risks. Drawing upon construal level theory (CLT), we invest...

OBJECTIVE To review the statistical approaches to test for spatial heterogeneity of relative risks. Three different statistical tests (Gail, Martuzzi-Hills and Potthoff-Whittinghill) are reviewed and applied--as motivating example--to the analysis of cause-specific mortality records (years: 1991-2000) of the Municipalities belonging to the Local Health Unit Alto Vicentino. METHODS Spatial het...

The P300 event-related brain potential (ERP) was elicited with auditory and visual stimuli from members of 13 families who were at high risk (HR) for alcoholism (father diagnosed as alcoholic) and 13 families at low risk (LR) for alcoholism. Each family consisted of a father, mother, and at least two biological children. The intrafamily member correlations (father vs. child, mother vs. child, c...

We show that, as soon there exists a positive bequest motive, sufficiently risk averse individuals should not purchase annuities. This suggests therefore a new explanation for the low level of annuitization, which is valid even if one assumes perfect markets. A model calibration accounting for temporal risk aversion generates an optimal level of annuitization of only 25% of the total savings.

We consider certificate revocation from three high-level perspectives: temporal nonmonotonicity, user interfaces, and risk management. We argue that flawed understanding of these three aspects of revocation schemes has caused these schemes to be unnecessarily costly, complex, and confusing. We also comment briefly on some previous works, including those of Rivest [16], Fox and LaMacchia [5], an...

Extractive reserves constitute an innovative approach to match conservation and development objectives, which were originally envisaged as part of a land struggle by forest dwellers in Brazil. In spite of the idea's popularity and the attempts to apply the concept to different tropical regions, there has been little analysis of the combined conservation and development performance of extractive...