Widmark factors for local Chinese in Hong Kong. A statistical determination on the effects of various physiological factors

The Widmark formula has been widely adopted in forensic applications to drink driving cases for the last 70 years. It is known that the amount of alcohol consumed and the body weight of the drinkers are important information for the estimation of blood alcohol concentration (BAC). However, the direct application of the Widmark factors derived from Caucasian to the calculation of BAC for the Chinese population often encounters serious challenges. Owing to this inherent weakness, a thorough analysis to determine the theoretical Widmark factors for the Chinese population, r(0) at the start of drinking and the practical factors, r(peak), at peak BAC was conducted. In the present study, other factors such as gender, stomach condition and other physiological conditions are taken into account. The determined theoretical Widmark factors, r(0,) for local Chinese male and female are 0.68 and 0.59 (with BAC in the units of weight/volume), respectively, demonstrating the applicability of the Widmark formula to the Chinese population. The practical factors at peak BAC, r(peak), were also determined to serve the forensic purpose of refuting the "hip-flask" defence in drink driving cases. Findings show that gender and stomach condition are the key factors that could statistically explain the variability of both r(0) and r(peak).     

The contribution of family structure and differentiation to identity development in females

We examined the relationship between Minuchin's structural family model, adolescent separation-individuation, and identity development. One hundred sixty-four female undergraduate students completed the Structural Family Interaction Scale Revised (SFIS-R), the Parental Relationship Inventory (PRI), and the Extended Objective Measure of Ego Identity Status (EOM-EIS) scale. Exploratory Factor Analysis of the SFIS-R and PRI scales indicated that two factors, Proximity-Differentiation and Generational Hierarchy-Differentiation, accounted for 90% of the variance. Canonical correlation analysis with the two factor scores and age included in the predictor variables, and the four measures of ego identity included in the dependent variables, yielded two significant roots. The results supported Minuchin's model.Received her Ph.D. in Counseling Psychology from the State University of New York at Buffalo. Major interests are family factors influencing adolescent development and family assessment.Received her Ph.D. from the State University of New York at Buffalo. Major interests are family factors and the separation/individuation process.Received Ph.D. from The Ohio State University. Major interests are statistical issues related to chi-square analyses.     

When lawyers question children

This study assessed the impact of some complex question forms frequently used by attorneys who examine and cross-examine witnesses in the courtroom. Fifteen males and 15 females from each of four student populations (kindergarten, fourth grade, ninth grade, and college) viewed a videotaped incident and then responded to questions about the incident. Half the questions were asked in “law-yerese” (i.e., using complex question forms); the remaining half asked for the same information using simply phrased question forms of the same length. Lawyerese confused children, adolescents, and young adults alike. Questions that included multiple parts with mutually exclusive responses were the most difficult to answer; those that included negatives, double negatives or difficult vocabulary also posed significant problems. Results suggest that complex question forms impede truth-seeking and should be prohibited in court.     

Spatial Effects and Ecological Inference

This paper examines the role of spatial effects in ecologicalinference. Both formally and through simulation experiments,we consider the problems associated with ecological inferenceand cross-level inference methods in the presence of increasingdegrees of spatial autocorrelation. Past assessments of spatialautocorrelation in aggregate data analysis focused on unidimensional,one-directional processes that are not representative of thefull complexities caused by spatial autocorrelation. Our analysisis more complete and representative of true forms of spatialautocorrelation and pays particular attention to the specificationof spatial autocorrelation in models with random coefficientvariation. Our assessment focuses on the effects of this specificationon the bias and precision of parameter estimates.     

Offending Frequency and Responses to Illegal Monetary Incentives

Journal of Quantitative Criminology - We examine how responsive offenders are to illegal monetary incentives. We draw from rational choice theory, prospect theory, and models of labor supply to...     

Home rule and municipal revenue stability: New evidence from Texas

Scholars have long debated whether home rule powers help improve municipal financial well-being; however, a consensus has yet to be reached. This study advances the home rule literature by causally estimating the impact of home rule in Texas on municipal revenue stability. To accomplish this, we employed a difference-in-differences estimator coupled with event-study specifications on a 40-year-long panel data set. This approach revealed strong empirical evidence that cities adopting a home rule charter had a significant reduction in the probability of experiencing revenue decline. This finding remained robust with multiple measures of revenue change, an alternative sample, and different model specifications. Moreover, we found that home rule cities’ revenue stability was likely to come from their increase in property taxes.     

Divergences between the European Union and China on reducing international aviation emissions

Asia Europe Journal - This paper provides a historical overview regarding the emergence, development and deepening of divergences between the European Union (EU) and the People’s Republic of...