The present study tests two predictions stemming from the hypothesis that a source of difficulty with rational numbers is interference from whole number magnitude knowledge. First, inhibitory control should be an independent predictor of fraction understanding, even after controlling for working memory. Second, if the source of interference is…

Despite widespread use of compulsory online prevention training, sexual harassment continues to occur at high rates. Most universities use online sexual harassment prevention (SHP) programs to meet state compliance requirements, but there is little research evaluating their effectiveness. The purpose of the current quantitative study was to…

Many factors at the individual, relationship, family, and community or environmental levels could predict repeat teen pregnancies or births, but research on certain factors is limited. In addition, few studies have examined whether these factors can accurately predict whether teen mothers will have a repeat pregnancy. This study examined…

We examine improvements in financial knowledge for 8th-grade participants in our financial fitness camp, part of our multifaceted financial literacy program. Eighty-three students enrolled in the camp, and 59 had individual development accounts (IDA). We address several issues raised in the literature by focusing on low-income, predominantly…

Gaps between what scientists and laypeople find plausible may act as a barrier to learning complex and/or controversial socioscientific concepts. For example, individuals may consider scientific explanations that human activities are causing current climate change as implausible. This plausibility judgment may be due-in part-to individuals'…

Problem solving is a highly valued skill in chemistry. Courses within this discipline place a substantial emphasis on problem-solving performance and tend to weigh such performance heavily in assessments of learning. Researchers have dedicated considerable effort investigating individual factors that influence problem-solving performance. The…

Historically, most efforts to improve public knowledge of science and technology have focused on improvements in K-12 schooling, although post-secondary education and informal education have also been mentioned as important factors. Currently, little empirical data exist to determine how or when to best leverage science and technology education…

Educators nationwide confront a troubling phenomenon: Increasingly, students leave high school unready for college, as evidenced by high rates of placement into remedial courses and low rates of college completion. Many students also lack either the attitudes or skills essential to succeed in a postsecondary setting, or knowledge of how to apply…

This collection of papers on early adolescent sexual behavior includes seven papers in two parts. Part 1, "Papers from Nationally Representative Data Sets," includes (1) "Dating and Sexual Experiences among Middle School Youth: Analyses of the NLSY97" (Elizabeth Terry-Humen and Jennifer Manlove); "(2) "Dating Behavior…