The main purpose of the study is to evaluate the qualities of human essay ratings for a large-scale assessment using Rasch measurement theory. Specifically, Many-Facet Rasch Measurement (MFRM) was utilized to examine the rating scale category structure and provide important information about interpretations of ratings in the large-scale…

Often, quantitative and mathematical models are used to study complex dynamic systems--where collections of individual components interact to produce an emergent pattern of behavior. To interpret such models involves 'unpacking' the collective behaviors and interactions that underlie a given pattern. We investigate what representational supports…

This document suggests sources from children's literature useful in teaching a variety of mathematical concepts. The mathematical concepts discussed are: (1) numbers and numeration; (2) place value; (3) shapes; (4) addition and subtraction; (5) multiplication and division; (6) telling time; (7) probability, estimation and prediction; (8) fractions…