Constructing a Test Network with a Rasch Measurement Model

Abstract
The purpose of this study is to present and to illus trate the application of a general linear model for the analysis of test networks based on Rasch measurement models. Test networks can be used to vertically equate a set of tests that cover a wide range of difficulties. The criteria of consistency and coherence are proposed in order to assess the adequacy of the vertical equating within the test network. The method is illustrated us ing a set of standardized reading tests which are a part of the Comprehensive Assessment Program's (1981) Achievement Series.