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…

This study explored whether Latinx adolescents' ethnic identity and stressful experiences predicted characteristics of their naturally-occurring mentoring relationships with non-parental adults. Ninth-grade Latinx students completed surveys about ethnic identity, stress exposure, and their natural mentoring relationships during 9th and 10th grade.…

High-achieving minority students have fewer friends than their majority counterparts. Exploring patterns of friendship formation in the Add Health data, we find strong racial homophily in friendship formations as well as strong achievement homophily within race. However, we find that achievement matters less in cross-racial friendships. As a…

Study Objectives: To prospectively examine changes in adolescent sleep before and during the COVID-19 pandemic in adolescents with and without ADHD. Methods: Participants were 122 adolescents (ages 15-17; 61% male; 48% with ADHD). Parents reported on adolescents' sleep duration and difficulties initiating and maintaining sleep (DIMS); adolescents…

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…

Within secondary English language arts (ELA), concerns about the use of whitestream curricula have fueled numerous studies regarding the authorship of works included in anthologies (Applebee, 1991; Hansen, 2005; Mikkelson, 2009; Pace, 1992; Rojas, 2010) and on the lists of required full-length titles (e.g., Applebee, 1989; Hoffman, 2007;…

Guided by the life course perspective, this study investigated the developmental antecedents of contact, closeness/warmth, and negativity in young adults' relationships with their parents. Taking the developmental systems approach, we considered interindividual differences in not only initial levels of parenting quality in early adolescence (Grade…

School-based bullying is a serious issue facing adolescents within the United States and relational bullying and victimization behaviors within music ensemble classrooms have become a topic of inquiry among music education researchers. Using data from a convenience sample of high school youth enrolled in an instrumental music program, we examined…

Few studies have been conducted to investigate typologies of perpetration and victimization of traditional and cyber bullying together to develop a risk profile by considering factors from different contexts. National data from the 2009-2010 Health Behavior in School-Aged Children study in the United States was utilized for these purposes. Four…

Introduction: Internet users, especially adolescents, may experience online risks that can affect their mental health. This study examined the association between online risks and family support as this has been conceptualized as variable that can prevent the risks in the Internet use among adolescents. Method: We applied an adapted version to…

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.…

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…

Monitoring the Future (MTF) is designed to give 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 by…

Monitoring the Future (MTF) is designed to give attention to substance use among the nation's youth and adults. Since its onset in 1975, MTF has been funded continuously by the National Institute on Drug Abuse -- one of the National Institutes of Health -- under a series of peer-reviewed, competitive research grants. The 2020 survey, reported…