LSAC RESEARCH REPORT SERIES Statistical Tests for Conditional Independence in a Hierarchical Model for Speed and Accuracy on Test Items

The Law School Admission Council (LSAC) is a nonprofit corporation whose members are more than 200 law schools in the the Council was founded in 1947 to facilitate the law school admission process. The Council has grown to provide numerous products and services to law schools and to more than 85,000 law school applicants each year. All law schools approved by the American Bar Association (ABA) are LSAC members. Canadian law schools recognized by a provincial or territorial law society or government agency are also members. Accredited law schools outside of the United States and Canada are eligible for membership at the discretion of the LSAC Board of Trustees. This study is published and distributed by LSAC. The opinions and conclusions contained in this report are those of the author(s) and do not necessarily reflect the position or policy of LSAC.