The Partnership for Assessment of Readiness for College and Careers (PARCC) is a group of states working together to develop a modern assessment that replaces previous state standardized tests. It provides better information for teachers and parents to identify where a student needs help, or is excelling, so they are able to enhance instruction to…

The analytical decomposition demonstrates how the effects of item characteristics, test properties, individual examinee responses, and rounding rules combine to produce the item deletion effect on the equating/scaling function and candidate scores. The empirical portion of the report illustrates the effects of item deletion on reported score…

The reported data provide a basis for evaluating the formula-scoring versus rights-scoring issue and for assessing the effects of directions on the reliability and parallelism of scores for sophisticated examinees taking professionally developed tests. Results support the invariance hypothesis rather than the differential effects hypothesis.…

During 1969 the International Association for the Evaluation of Educational Achievement began a series of cross-cultural studies to investigate the workings of multiple-choice achievement tests and student guessing behaviors. Empirical models to correct for guessing are discussed in terms of test item difficulty, number of response choices,…

The SAT® I: Reasoning Test is administered seven times a year. Primarily for security purposes, several different test forms are given at each administration. How is it possible to compare scores obtained from different test forms and from different test administrations? The purpose of this paper is to provide an overview of the statistical…