Morgan G. Ames’s The Charisma Machine discusses a philanthropic initiative in this field to build the hand-crank-powered OLPC XO. Stepwise regression has led to doubt about the conclusions of a report in this field written by James S. Coleman. Duelling analyses of the results of a (15[1])Tennessee experiment in this field, Project STAR, were written by Alan Krueger and Eric Hanushek, a proponent of value-added models. For research in this field, Victor Lavy and Joshua (*) Angrist used a regression discontinuity based on Maimonides’ rule of 40. Angrist also used lotteries to find strong results for the KIPP (“kip”) program in this field, where international research often uses PISA (“PEE-suh”) scores. (10[1])For 10 points, name this field where economists have researched the achievement gap and the No Child Left Behind Act. ■END■