A large literature documents that there are significant academic and non-academic differences between the youngest and oldest students in a school cohort. This paper investigates if being the youngest in a cohort has any impact on an individual's propensity to commit crime by utilizing a data set that contains over 4 million arrest records…

Background: As of September 2020, more than 300 state and local jurisdictions restrict the sales of flavored tobacco, with some including menthol. Aims: To evaluate the impact of local ordinances restricting the sale of flavored tobacco, we surveyed Californians regarding policy support and perceived access to flavored tobacco. Methods: In 2019,…

Youth with mental illness struggle to receive essential behavioral health care. One obstacle is denial of coverage by insurance. In California, managed care consumers may apply for independent medical review (IMR) which potentially overturns an insurance denial through the California Department of Managed Healthcare (CDMHC). The authors aim to…

Purpose: In response to concerns about fake news (Allcott et al., 2019) and polarization (Wollebaek et al., 2019), youth media literacy interventions have emerged to teach strategies for assessing credibility of online news (McGrew et al., 2018) and producing media to mobilize others for civic goals (Kahne et al., 2016). However, in light of…

Mentoring is widely cited as a strategy to increase the representation of Latinx in technology, but the role of informal relationships with adults outside their family remains unclear. This study explores how natural mentoring is utilized by Latinx youth at a community-based organization, including the perspectives of both mentors and mentees,…

Background: The prevalence of electronic-cigarette (e-cigarette) product placement in music videos is on the rise and currently unregulated. This promotional activity is concerning given the popularity of music videos among young adults. Aims: We examined associations between self-reported levels of exposure to music videos with any e-cigarette…

As of October 2022, over 53,000 children and youth are in foster care in California, including approximately 13,000 youth between the ages of 16 and 21. The State has an obligation to offer services and supports to help these young people transition into adulthood. The Independent Living Program (ILP) helps transition age youth currently or…

This dissertation is comprised of two studies that investigate the nuances of parent and peer ethnic racial socialization (ERS). I focus on the dynamic relationship between parent and peer ERS by examining its frequency and effects specifically for Black emerging adults in college as well as uncovering the prevalence of Black college students'…

Despite national guidelines advocating a comprehensive, age-appropriate, and sequential approach to sexual health education in schools, many young people in the USA do not receive sexual health information until high school. To date, there has been little research on the need for a supplemental round of sexual health education -- a 'booster' --…

Gender-Sexuality Alliances (GSAs) and inclusive school policies and practices that affirm youth with minoritized sexual orientations or gender identities (e.g., lesbian, gay, bisexual, transgender, queer youth; LGBTQ+ youth) are two sources of support for LGBTQ+ youth that could promote school belonging. The current study tested a three-level…

Objectives: Survey items used in surveillance systems to assess the use of emerging products like hookah and electronic inhalant devices (EIDs) may not match definitions used by high-risk populations. This qualitative study explored how African American youth and young adults (YYAs) (1) use hookah and EIDs and (2) identify patterns in the ways…

Very little has been published reporting on long-term outcomes experienced by young adults (aged 19 to 34 years old) who participated in 4-H youth development programs. We adopted Gambone et al.'s (2002) framework advancing three long-term outcomes for early adulthood: economic stability, health and well-being, and community involvement. With…

To date, most studies seeking to explore the impact of COVID-19 school closures on student outcomes have focused on cognitive/academic losses. This study explores changes in adaptive behaviors experienced by children and youth with autism spectrum disorders or other developmental disabilities when in-person, one-to-one behavior training was…

Youth purpose has important implications for behavior and well-being, yet there is limited information about the types of purpose that young people pursue. The current study contributes insight into the content of purpose through a survey of 316 adolescents and young adults. Analyses of responses revealed that young people rated their purposes as…

Background: E-cigarette use has increased rapidly in the past decade despite studies showing their negative health outcomes. There is limited knowledge on the characteristics of users and possible interventions. Purpose: This study presents the demographic characteristics of e-cigarette users in California, propose tailored interventions, and…