By design, randomized experiments (XPs) rule out bias from confounded selection of participants into conditions. Quasi-experiments (QEs) are often considered second-best because they do not share this benefit. However, when results from XPs are used to generalize causal impacts, the benefit from unconfounded selection into conditions may be offset…

Despite decades of research and debate, the issue of unequal outcomes continues to be a concern in educational systems worldwide. In England, published data relating to pupils' attainment across ethnic groups and by class indicators has been used to demonstrate continued inequalities in schools. This article attempts to deconstruct the…

Applies Item Response Theory methods to data from the national norming of the Test of Economic Literacy to identify test questions with large male-female differences. Regression analysis showed a significant decrease in the magnitude of gender difference, although a difference was still present. (MJP)