Purpose: Studies of college and university student suicide have identified predictors only of suicide ideation and attempts and have relied solely on self-report data. This study explores risk factors observed in the last 30 days of life of college and university students who died by suicide, compared to those of high school and middle school…

An emerging body of research documents a relationship between sleep quantity and delinquency during adolescence. Absent from this line of research, however, is an evaluation of whether the associations between sleep duration and different forms of delinquency vary across periods of adolescence and sex. The current study aimed to address this gap…

Trajectories of perceived stress from the transition to adulthood (age 25), during young adulthood (age 32), and into midlife (ages 43 and 50) were examined with four waves of longitudinal survey data (N = 688; 49% female, 37% with a university degree, 86% White). We explored how between- and within-person variation in perceived stress was…

This study investigates the relationship between pre-service teachers' learning styles (LS) and their critical thinking disposition (CTD). The study was carried out with the participation of 358 candidate teachers--243 female and 115 males--who study in different programs in the Faculty of Education at Burdur Mehmet Akif Ersoy University, Turkey.…

Background: Research and theoretical models of self-determination and self-concept claim that microsystem ecological factors have an influence and manifest a predictive role in the relationship between self-concept and self-determination. Knowing the mechanisms through which personal and contextual factors influence or predict the self-determined…

This paper examines the likelihood of violence in successive cohorts of students in a small city during the implementation of a youth-led sexual violence prevention initiative. We compared the likelihood of violence among students who were in 8th, 9th, and 10th grade before the programming to the likelihood of violence among students who were in…

Using all Arkansas correctional releases from 2005-2016 of adults who at intake lacked high school diplomas or GEDs, the authors examined how correctional education and its moderating factors affect recidivism (N = 32,174) and post-release employment (N = 40,667). Completion of GED and vocational programs were associated with financially viable…

A major challenge in research with struggling adult readers is their heterogeneity in reading-related competencies and demographic characteristics. The purpose of this investigation was to identify unique profiles of skill sets among struggling adult readers and explore informative demographic differences between profiles. Using latent class…

A major challenge in research with struggling adult readers is their heterogeneity in reading-related competencies and demographic characteristics. The purpose of this investigation was to identify unique profiles of skill sets among struggling adult readers and explore informative demographic differences between profiles. Using latent class…

This study examined age-related changes in friend similarity on delinquency to determine whether deviant behavior homophily peaks during mid-adolescence. A community sample of 1,663 male and 1,826 female Swedish youth from Grade 5 (M = 11.21 years) to Grade 10 (M = 16.25 years) provided self-reports of delinquency. Friendships were identified from…

This study examines developmental change across adolescence in the similarity of friends versus nonfriends. This differential in similarity is a key aspect of the organization of the peer context of development: The stronger the correlation between friends for an attribute, the more the attribute delineates clustering and divisions of friendships.…

Latent class analysis was used to examine whether patterns of bystander responses varied as a function of both student- and school-level characteristics. Data from 18,863 high school students from 58 schools who "ever witnessed bullying" were used to identify five latent classes of bystander behavior. Three of the classes identified…

Monitoring the Future (MTF) is designed to give such attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, a team of research professors at the University of Michigan's Institute for Social Research. Since its onset in 1975, MTF has been funded continuously…

Previous research has established that family ethnic socialization messages promote ethnic-racial identity (ERI) development, yet it is unknown whether these effects remain constant throughout adolescence. The current study examined the time-varying effects of family ethnic socialization on ERI exploration and resolution among Latino adolescents…

This study examined growth trajectories of teacher-reported adaptive behavior in a diverse sample of adolescents with autism spectrum disorder. The participants were 244 adolescents between the ages of 14 and 21 years who were assessed at up to four time points across two and a half years of high school. Demographic variables (age, sex, race,…