Why So Few (Republican) Women? Explaining the Partisan Imbalance of Women in the U.S. Congress

This article examines why the percentage of Democratic women in Congress has increased dramatically since the 1980s while the percentage of Republican women has barely grown. The central claim is that ideological conformity with the party influences the decision to run for office, and I suggest that partisan polarization has discouraged ideological moderates in the pipeline from pursuing a congressional career. The findings have gendered implications because, first, Republican women in the pipeline have historically been to the left of their male counterparts, and second, there is a dearth of conservative women in the pipeline.     

Pubertal Development Moderates the Importance of Environmental Influences on Depressive Symptoms in Adolescent Girls and Boys

Prevalence differences in depressive symptoms between the sexes typically emerge in adolescence, with symptoms more prevalent among girls. Some evidence suggests that variation in onset and progression of puberty might contribute to these differences. This study used a genetically informative, longitudinal (assessed at ages 12, 14, and 17) sample of Finnish adolescent twins (N = 1214, 51.6% female) to test whether etiological influences on depressive symptoms differ as a function of pubertal status. These tests were conducted separately by sex, and explored longitudinal relationships. Results indicated that pubertal development moderates environmental influences on depressive symptoms. These factors are more important on age 14 depressive symptoms among more developed girls relative to their less developed peers, but decrease in influence on age 17 depressive symptoms. The same effects are observed in boys, but are delayed, paralleling the delay in pubertal development in boys compared to girls. Thus, the importance of environmental influences on depressive symptoms during adolescence changes as a function of pubertal development, and the timing of this effect differs across the sexes.     

Genetic and Environmental Overlap between Low Self-Control and Delinquency

Low self-control has emerged as a consistent and strong predictor of antisocial and delinquent behaviors. Using the twin subsample of the National Longitudinal Study of Adolescent Health (Add Health), genetic analyses were conducted to examine the genetic and environmental contributions to low self-control and offending as well as to their relationship with one another. The results revealed that low self-control and criminal behaviors are influenced by genetic and nonshared environmental factors with the effects of shared environmental factors being negligible. In addition, the co-variation between low self-control and criminal behaviors appears to be largely due to common genetic and nonshared environmental factors operating on both phenotypes. The implications of these findings on the current understanding of Gottfredson and Hirschi??s general theory of crime are discussed.     

Policing on prime-time: A comparison of television and real-world policing

This paper provides an investigation of presentations of police and policing activities in two purposively selected contemporary prime-time entertainment justice shows and one reality-based justice show. With the exception of being portrayed as overly successful, television police were portrayed closely to real-life police in terms of their gender, racial composition, organization, tasks, role, and response to crime. As such, prime-time television may aid viewers in better understanding the role of police in American society by providing a basic orientation to police and police work through its mediated presentations. Further research is needed involving a more encompassing sample of prime-time justice shows for more generalizable conclusions to be asserted.     

Quality of Laypersons' Assessment of Forensically Relevant Stimuli,

The current study examined the potential for cognitive bias in lay examiners' comparisons of footwear impressions within the technical review process while addressing limitations of previous research. Prior research has found inconsistent results regarding the extent to which cognitive bias may influence forensic comparisons, often asking non-experts to review forensic stimuli above their competency level. Furthermore, past research has largely ignored the potential for cognitive bias during the technical review process. In collaboration with the Miami-Dade Police Department's Forensic Services Bureau, we examined the effects of previous examiners' level of experience and prior knowledge of the previous examiner's decision on the technical review stage of footwear impression stimuli. Before lay examiners were presented with pairs of known match and nonmatch footwear impressions, they were either told that an expert or a novice had previously examined them and determined them to be either a match, nonmatch, or inconclusive (plus a no-information condition). Participants then evaluated each pair of footwear impressions to make their own determinations of match, nonmatch, or inconclusive. Results support the technical review process for all decision types, as known nonmatch stimuli were generally more difficult for lay examiners to assess than known match stimuli. Knowledge of a prior examiner's decision and status was observed only when the prior decision was inconclusive, suggesting the need for inclusion of inconclusive decisions in future research examining cognitive bias in forensic examination.     

Spouse Abuse and Child Abuse by Army Soldiers

This study analyzed data collected by the U.S. Army’s Family Advocacy Program, the group primarily responsible for family violence prevention, identification, evaluation, treatment, and follow-up on Army installations. Patterns of spouse abuse and child abuse perpetrated within a five year period (2000–2004) were examined in a sample of 10,864 Army Soldiers who were substantiated for family violence offenses. Three groups of family violence offenders were compared: (1) those who perpetrated spouse offenses only; (2) those who perpetrated child offenses only; and (3) those who perpetrated both spouse and child offenses. Results showed that the majority of substantiated family violence offenders were spouse offenders who had not committed child abuse (61%), followed by child offenders who had not committed spouse abuse (27%), and finally those who committed both spouse and child offenses (12%). The three groups of family violence offenders differed in terms of the types of abuse they perpetrated (neglect of children, emotional abuse, physical abuse, and sexual abuse), their experiences of being a spouse abuse victim, and sociodemographic characteristics. Twelve percent of all spouse abusers committed multiple spouse abuse incidents, and 10% of all child abusers committed multiple child abuse incidents.     

Analysis of forensic SNPs in the canine mtDNA HV1 mutational hotspot region

A 60 bp sequence variation hotspot in the canine mitochondrial DNA hypervariable region 1 was evaluated for its use in forensic investigations. Nineteen haplotypes containing 18 single nucleotide polymorphisms were observed among laboratory-generated and GenBank-derived domestic dog sequences representing five regional localities in the U.S. Samples from the different localities were highly variable with the levels of intra-population variability being similar among the populations studied. AMOVA further confirmed that there was no significant genetic structuring of the populations. Assays using these haplotypes were robust, canid specific and portend a rapid method for correctly excluding individual dogs as noncontributors of forensic evidence. Species-specificity of the primers was confirmed by means of in-tube polymerase chain reaction of human and cat DNA and in-silico assessment of the genomes of several animal species. Breed-specific fragments were not detected among the common haplotypes but there is evidence that this assay may be capable of differentiating domestic dog, wolf, and coyote sequences.