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Multiple outcomes of education

Alex Eble, Feng Hu.

We study the transmission of beliefs about gender differences in math ability from adults to children and how this affects girls’ math performance relative to boys. We exploit randomly assigned variation in the proportion of a child’s middle school classmates whose parents believe boys are better than girls at learning math. An increase in exposure to peers whose parents report this belief increases a child’s likelihood of believing it, with similar effects for boys and girls and greater effects from peers of the same gender. This exposure also affects children’s perceived difficulty of math, aspirations, and academic performance, generating gains for boys and losses for girls. These effects are not driven by other sources of peer effects, such as peer cognitive ability, peer parent traits such as education and income, or the gender composition of the classroom.

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Jay P. Greene, Heidi H. Erickson, Angela R. Watson, Molly I. Beck.

Field trips to see theater performances are a long-standing educational practice, however, there is little systematic evidence demonstrating educational benefits. This article describes the results of five random assignment experiments spanning two years where school groups were assigned by lottery to attend a live theater performance, or for some groups, watch a movie-version of the same story. We find significant educational benefits from seeing live theater, including higher levels of tolerance, social perspective taking, and stronger command of the plot and vocabulary of those plays. Students randomly assigned to watch a movie did not experience these benefits. Our findings also suggest that theater field trips may cultivate the desire among students to frequent the theater in the future.

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Emily Rauscher.

Educational assortative mating patterns in the U.S. have changed since the 1960s, but we know little about the effects of these patterns on children, particularly on infant health.  Rising educational homogamy may alter prenatal contexts through parental stress and resources, with implications for inequality. Using 1969-1994 NVSS birth data and aggregate cohort-state census measures of spousal similarity of education and labor force participation as instrumental variables (IV), this study estimates effects of parental educational similarity on infant health.  Controlling for both maternal and paternal education, results support family systems theory and suggest that parental educational homogamy is beneficial for infant health while hypergamy is detrimental.  These effects are stronger in later cohorts and are generally limited to mothers with more education.  Hypogamy estimates are stable by cohort, suggesting that rising female hypogamy may have limited effect on infant health.  In contrast, rising educational homogamy could have increasing implications for infant health.  Effects of parental homogamy on infant health could help explain racial inequality of infant health and may offer a potential mechanism through which inequality is transmitted between generations.

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Matthew Kraft.

Researchers commonly interpret effect sizes by applying benchmarks proposed by Cohen over a half century ago. However, effects that are small by Cohen’s standards are often large in the context of field-based education interventions. This focus on magnitude also obscures important differences in study features, program costs, and scalability. In this paper, I propose a new framework for interpreting effect sizes of education interventions, which consists of five broadly applicable guidelines and a detailed schema for interpreting effects from causal studies with standardized achievement outcomes. The schema introduces new effect-size and cost benchmarks, while also considering program scalability. Together, the framework provides scholars and research consumers with an empirically-based, practical approach for interpreting the policy importance of effect sizes from education interventions.

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