In studies of educational achievement, students' self-reported number of books in the family home is a frequently used proxy for social, cultural, and economic background. Absent hard evidence about what this variable captures or how well, its use has been motivated by strong associations with student outcomes. I show that these associations rest…

Digital technology has become more ubiquitous in classrooms across the western world. Literacy learning is topical in New Zealand education under the umbrella of the current National Standards policy, a policy introduced on the basis of rhetoric around improving achievement for priority learners. The study presented in this paper would then appear…

Survey research in education is a popular quantitative research design and is used to determine opinions, attitudes, behavior, habits, and perceptions on a wide variety of topics. While many people are familiar with survey methods, it is often used in a 'quick and dirty' way to get information. This case aims to describe some of the challenges of…

Randomized controlled trials (RCTs) and regression discontinuity (RD) studies both provide estimates of causal effects. A major difference between the two is that RD only estimates local average treatment effects (LATE) near the cutoff point of the forcing variable. This has been cited as a drawback to RD designs (Cook & Wong, 2008).…