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How standard is a standard deviation? A cautionary note on using SDs to compare across impact evaluations in education

Guest post by Abhijeet Singh
Last week on this blog, David wondered whether we should give up on using SDs for comparing effect sizes across impact evaluations. I wish that question was asked more often in the field of impact evaluations in education, where such comparisons are most rife. In this post, I explore some of the reasons why such comparisons might be flawed and what we might do to move towards less fragile metrics.

Am I Good Enough? (Biased) Self-Assessments and School Choices: Guest Post by Matteo Bobba

This is the fourth in our series of job market posts this year.
Research from numerous corners of psychology suggests that self-assessments of skill and character are often flawed in substantive and systematic ways. For instance, it is often argued that people tend to hold rather favorable views of their abilities - both in absolute and relative terms. In spite of a recent and growing literature on the extent to which poor information can negatively affect educational choices (e.g. Hasting and Weinstein, 2008; Jensen, 2010; Dinkelman and Martinez, 2014), there is little systematic evidence establishing how inaccurate self-assessments distort schooling decisions.

Aspirations and poverty

Markus Goldstein's picture
This week is the World Bank’s annual conference on development economics.    One of the papers being presented is by my colleague Kate Orkin (together with co-authors Tanguy Bernard, Stefan Dercon and Alemayehu Taffesse) and takes a look at a video intervention and its impact on aspirations among poor folks in Ethiopia.    In particular, what Kate and her co-authors are asking is:   can we shift aspirations and behavior by showing people more of what is possible?   

Becoming a Man (and Good at Math)

Berk Ozler's picture
Although, I try to follow the research in my field regardless of where it is conducted, I usually don’t pick studies from the U.S. or other developed countries for discussion in this space. However, when the study involves interventions to improve various outcomes for adolescents, reports some encouraging findings, and may be applicable in the developing world, we can make an exception. So, today’s post is about a study that takes place in a public high school on the south side of Chicago…

Biking to more education in India

Markus Goldstein's picture
"Let me tell you what I think of bicycling. I think it has done more to emancipate women than anything else in the world. I rejoice every time I see a woman ride by on a wheel. It gives her a feeling of self-reliance and independence the moment she takes her seat; and away she goes – the picture of untrammeled womanhood." - Susan B Anthony