Using data collected under the Trial State Assessment (TSA) of the National Assessment of Educational Progress (NAEP), this article describes and illustrates a two-stage statistical model for investigating state-to-state variation in mathematics achievement. At the first stage, within each...

In this article, we consider estimation of parameters of random effects models from samples collected via complex multistage designs. Incorporation of sampling weights is one way to reduce estimation bias due to unequal probabilities of selection. Several weighting methods have been proposed in...

The teaching of economics at the Kindergarten-12 level has been highly researched and reported upon since the 1970’s and has primarily concentrated on curriculum, materials, enrollments, and effectiveness of teaching techniques. This paper summarizes two recent reviews of research, the results...