Sixteen item statistics recommended for use in the development of criterion-referenced tests were evaluated. There were two major criteria: (1) practicability in terms of ease of computation and interpretation and (2) meaningfulness in the context of the development process. Most of the statistics were based on a comparison of performance changes…

Representing a set of required readings for those who would keep abreast of developments in the field of educational evaluation, this book presents nine chapters, each written by a recognized scholar on the topic being considered. Several chapters are also available as separate booklets, thereby increasing the flexibility with which the materials…

It is argued in this paper that generalizability theory provides a uniquely useful framework for defining and quantifying the dependability of data for decision making. It does so by requiring careful specification of the conditions of measurement and the anticipated sources of variation in the results of the measurement procedure. A distinction…