In this study, I investigated 2 procedures intended to create test-taker groups of equal ability by poststratifying on a composite variable created from demographic information. In one procedure, the stratifying variable was the composite variable that best predicted the test score. In the other procedure, the stratifying variable was the…

When comparing overall FCAT performance of the District to the State, the Miami-Dade County Public Schools District comes up a little short in Reading and barely higher in Math. However, when the comparisons to the State are confined within the typical subgroup categories, the District meets or exceeds the State's performance in all subgroups.…

We present statistical analyses of the large-scale structure of 3 types of semantic networks: word associations, WordNet, and Roget's Thesaurus. We show that they have a small-world structure, characterized by sparse connectivity, short average path lengths between words, and strong local clustering. In addition, the distributions of the number of…