Adolescent Caffeine Consumption and Self-Reported Violence and Conduct Disorder

Caffeine is the most widely used psychoactive substance in the world and currently the only one legally available to children and adolescents. The sale and use of caffeinated beverages has increased markedly among adolescents during the last decade. However, research on caffeine use and behaviors among adolescents is scarce. We investigate the relationship between adolescent caffeine use and self-reported violent behaviors and conduct disorders in a population-based cross-sectional sample of 3,747 10th grade students (15–16 years of age, 50.2 % girls) who were enrolled in the Icelandic national education system during February 2012. Through a series of multiple regression models, while controlling for background factors, Attention Deficit Hyperactivity Disorder symptoms and current medication and peer delinquency, and including measures on substance use, our findings show robust additive explanatory power of caffeine for both violent behaviors and conduct disorders. In addition, the association of caffeine to the outcomes is significantly stronger for girls than boys for both violent behaviors and conduct disorders. Future studies are needed to examine to what extent, if at all, these relationships are causal. Indication of causal connections between caffeine consumption and negative outcomes such as those reported here would call into question the acceptability of current policies concerning the availability of caffeine to adolescents and the targeting of adolescence in the marketing of caffeine products.     

Public support for congress

The present inquiry focuses upon recent levels and trends of public support and nonsupport of the U.S. Congress. The data are drawn from statewide surveys of Wisconsin adults in 1970–1978 and from such sources as CPS/NES, Gallup, and Harris. Measurement focuses upon four major types of public support for Congress—pure specific support (performance), pure diffuse support (including general confidence in the institution, sense of personal efficacy in relation to Congress, desire for institutional reform or maintenance and the amount of power preferred for Congress relative to other branches), and two mixed types of support, long-term performance assessments and confidence in congressional incumbents. With few exceptions, Congress has suffered a general erosion of public support over the past decade on most indicators.An earlier, longer version of this paper was presented at the XIth World Congress of the International Political Science Association, Moscow, USSR, August 1979.     

Disaggregating Mass Public Shootings: A Comparative Analysis of Disgruntled Employee,School, Ideologically motivated,and Rampage Shooters

This study compares the demographic, background, motivation, and pre‐event and event‐level behaviors across four types of mass public shooters: disgruntled employee, school, ideologically motivated, and rampage offenders. Using a database containing detailed information on 318 mass public shootings that occurred in the United States between 1966 and 2017, we find systematic differences in the characteristics, motivations, target selection, planning, and incident‐level behaviors among these offenders. The results show that ideologically motivated shooters to be the most patient, and methodical, and as a result the most lethal. Conversely, disgruntled employees, who are driven by revenge, tend to have little time to plan and consequently are the least lethal shooters. These, among other differences, underscore the need for prevention strategies and policies to be tailored to specific types of offenders. Furthermore, the results also highlight commonalities across offender type, suggesting that the social and psychological pathways to violence are universal across offenders.     

Pathways to Depressive Symptoms among Former Inmates

Drawing on data from the National Longitudinal Study of Adolescent Health (Add Health), we examine the association between incarceration and depressive symptoms among a sample of 13,131 young adults. We find that a history of incarceration is associated with a higher expected rate of depressive symptoms and that this relationship operates most strongly through material hardship. We find no differences in the main effect of incarceration across groups, but we find that the role of certain mediating variables may vary, with marital and employment status being a stronger mediator for males than females, and marriage being a stronger mediator for whites compared to blacks and Hispanics. Our results suggest that incarceration constitutes a potent stressor, but that the pathways to depressive symptoms may differ.     

Multilevel policy from the municipal perspective: A pan‐Canadian survey

Building on in‐depth case studies and extensive theory‐building by Canadian multilevel governance scholars, this article identifies and describes multilevel policy involvement by federal, provincial, municipal, private, and NGO actors in three policy phases and eighteen policy domains that specifically involve local governments in Canada. Drawing from an original pan‐Canadian survey of municipal mayors and councillors, we show that municipal politicians see multilevel policy involvement as remarkably prevalent across many policy domains. Using an original measure of multilevel policy involvement, we identify the policy domains in which policy involvement is most concentrated or fragmented and then describe the correlates of this measure. Multilevel policy involvement, we argue, is more clearly associated with policy phase and policy domain than with municipal population or region. We conclude with a discussion of implications for future research.     

Traceology,criminalistics, and forensic science

There is a serious issue within the forensic science community, which even extends outside of the field. The role of the scientist in the investigation of crime has been increasingly confined to the laboratory, which has been accompanied by the conflation of the terms forensic science and criminalistics. This unfortunate situation has been festering for years. To make matters worse, the era of the proactive, problem-defining, criminalist (generalist) is waning, and possibly over. Present-day “criminalists” are treated as little more than reactive, protocol-constrained, laboratory technicians, with few, if any, consequential crime scene roles. In most cases, these “criminalists” merely respond to routine requests from prosecutors and police. The absence of science at the front end of forensic investigations, i.e., the scene, has resulted in biased, ineffective, inefficient, and/or erroneous outcomes with immediate and long-term societal impacts. To disentangle this imbroglio, we propose the use of another term, traceology, which has seen limited use worldwide except in the field of archaeology. With respect to criminalistics, this term has been previously proposed by Margot (20–21). Traceology is an historical science, dealing with the examination, analysis, and scientific interpretation of event traces (signs or remnants) of earlier activities. In this commentary, we define and redefine familiar, but ambiguous, terms and concepts with the hope of recapturing the essence of criminalistics (32), which we suggest is best termed traceology.     

The core executive and small states: Is coordination the primary challenge?

This article interrogates three key arguments derived from the functional approach to studying the core executive: (1) that coordination is the primary problem that confronts executive decision‐makers; (2) that improved coordination will lead to better governance; and (3) that linkage problems dissipate as policy systems consolidate. Drawing on the experience of hitherto understudied small states, including 112 interviews with political elites, we show how the effects of country size create governance challenges in the form of leader dominance, patronage systems and capacity constraints. Our findings support the call to broaden the focus of functional analysis beyond its traditional emphasis on coordination. For scholars of small states we synthesize existing empirical findings and provide a theoretical justification for future work using an adaptation of the core executive approach.     

Timing and Appearance of Postmortem Root Banding in Nonhuman Mammals,

A study was undertaken using nonhuman mammal specimens to better understand environmental influences on postmortem hair root band (PMRB) formation and to see whether PMRBs would occur in nonhuman mammal hairs in a similar fashion to human hairs. Carcasses from surrounding roadways were the primary source of specimens for this study, augmented by donated deceased domestic pets. Sections of pelt from each specimen were placed in controlled environmental conditions while the remainder of the carcass was left in a secure outdoor setting. Hair samples were collected daily from outdoor and control specimens and examined for evidence of PMRBs. Several environmental factors were also recorded on a daily basis. Results demonstrate PMRBs can occur in nonhuman mammal hairs, and they have microscopic characteristics similar to human PMRBs. Factors found to correlate with PMRB formation include postmortem interval, temperature, pH, and the formation and subsequent volatilization of ammonia from the surrounding tissue.