In this study, we examined the long-term effects of ASSISTments, an educational technology platform that enables formative assessment. The intervention was implemented in schools in one U.S. state for 12-13-year-old students (7th grade). Students' math achievement was measured at the end of the following school year (8th grade, ages 13-14 years),…

Substance use in adolescence is a significant public health issue, particularly in early-to-mid adolescence, which represents a window of risk in the etiology of substance abuse and dependence. Substance use during this development period often results from affiliation with deviant peers, who model, facilitate, and reinforce use. Existing…

This dissertation examines how implementing READ 180 for 9th grade students affects their Lexile level and reading ability. The research focuses on two questions: what changes were noticed in the students' Lexile levels? and what program recommendations can be made moving forward? The methodology used was PDSA and improvement science. The study…

Background: Despite overall declines in risky teen sexual activity, racial and ethnic disparities persist. This study compared abstinence-only and comprehensive teen pregnancy prevention (TPP) programs to explore the effects of the programs on teen sexual activity-related outcomes that may differ by race/ethnicity. Methods: Program evaluation data…

The purpose of this quantitative study was to determine if the Houghton Mifflin Harcourt (HMH) READ 180 program was effective in helping to bridge the gap in reading achievement between African American and White students in three middle schools within one school district. The study took place in a rural public school district in the southeastern…

This study examines the impact of special education on academic and behavioral outcomes for students with learning disabilities (LD) by using statewide Indiana data covering kindergarten through eighth grade. The results from student fixed effects models show that special education services improve achievement in math and English Language Arts,…

Civil, informed debate is essential for any healthy democracy. This is truer than ever judging from the often uncivil, fact-free public discourse one sees too often on television and social media. But does participation in formal debate training improve educational outcomes? While policy debaters historically have come from high-income public…

This study analyzed the impact of athletics on the academic achievement of middle school students in the Lowcountry region of South Carolina. This study determined whether middle school athletics impact athletes' achievement more than middle school nonathletes. The study further analyzed achievement based on race and gender, and English and Math…

Background: To combat stereotype threat, several school-based field trials have leveraged self-affirmation theory (Steele & Liu, 1983; Liu & Steele, 1986), wherein affirming one's important beliefs and values can buffer against identity threats. Self-affirmation theory posits that individuals are motivated to maintain a positive overall…

Context: The use of educational technology for improving K-12 math education has expanded dramatically recently. ASSISTments (Heffernan & Heffernan, 2014), a widely used digital platform, has seen its use in schools increase significantly from 800 to 20,000 teachers over the past two years. A review of evidence-based online programs by the…

Youth participation in community-based, structured out-of-school time programs (OST) has been found to promote positive developmental outcomes by providing youth with resources to build interpersonal relationships and essential life skills. The increasing prevalence and multiplicity of youth participation in these activities leads us to expand the…

This dissertation was designed to examine and assess teachers' perceptions of the effectiveness of Positive Behavior Interventions and Supports (PBIS) during virtual instruction resulting from the COVID-19 pandemic. The study examined whether teachers' race/ethnicity, years of teaching experience, level of education, and gender separately and…

Nationally, educators suspend Black students at greater rates than any other group. This disproportionality is fueled by stereotypes casting Black students as "troublemakers"--a label students too often internalize as part of their identities. Across two independent double-blind randomized field trials involving over 2,000 seventh…

This study investigated the effectiveness of a Computerized Adaptive Reading (CAR) program on a cohort of middle school student's reading proficiency scores as measured by a state standardized end-of-year assessment. The scores used for the study were taken from the SCReady end-of-year assessment for reading proficiency over the three years the…

The purpose of this study is to evaluate the effectiveness of IXL Math online software for homework in raising the achievement of middle-school students on the New York State Math exam, with special focus on effects by student ethnicity. The study includes an analysis of the relationship between exam scale scores and time spent using the IXL…