In many testing programs it is assumed that the context or position in which an item is administered does not have a differential effect on examinee responses to the item. Violations of this assumption may bias item response theory estimates of item and person parameters. This study examines the potentially biasing effects of item position. A…

Differential item functioning (DIF) analysis is a statistical technique used for ensuring the equity and fairness of educational assessments. This study formulates a new DIF analysis method using the information similarity index (ISI). ISI compares item information functions when data fits the Rasch model. Through simulations and an international…

The process used by the Texas Education Agency to update public school teacher certification tests in a statewide program in Texas is described. The testing program implemented is called the Examination for the Certification of Educators in Texas. After a policy review, advisory committees for 63 test areas prepared content frameworks, created…

This booklet has been written to help persons interested in assessment of education and training programs in general and competency-based vocational education programs in particular. The following topics are covered in the individual sections: the meaning of the term "assessment"; the importance of assessment; curriculum models; percentages and…

The problems associated with standardized testing are illustrated in this collection of articles. Alternatives to current practices and strategies for change are suggested. The contributors discuss the roles and responsibilities of groups concerned with student evaluation systems, the testing of minority group and non-English-speaking students,…

In this article, the authors describe various rationales for accountability testing programs over the past century. This history forms the backdrop for current test-driven reforms, including Public Law 107-110, the No Child Left Behind Act of 2001 (NCLB), which was signed into law in January 2002. The goals of the authors are first, to illustrate…

Robert L. Thorndike was awarded the Educational Testing Service (ETS) Measurement Award at the 1972 ETS Invitational Conference. In "Heredity, Environment, and Class or Ethnic Differences," J. McV. Hunt addressed several fundamental questions pertaining to the hereditary and environmental influences of the observed social class and ethnic…