In this book, experts in statistics and psychometrics describe classes of linkages, the history of score linkings, data collection designs, and methods used to achieve sound score linkages. They describe and critically discuss applications to a variety of domains.

A framework and history for score linking /Paul W. Holland -- Data collection designs and linking procedures / Michael J. Kolen -- Equating : best practices and challenges to best practices / Nancy S. Petersen -- Practical problems in equating test scores : a practitioner's perspective / Linda L. Cook -- Potential solutions to practical equating issues / Alina A. von Davier -- Score linking issues related to test content changes / Jinghua Liu, Michael E. Walker -- Linking scores derived under different modes of test administration / Daniel R. Eignor -- Tests in transition : discussion and synthesis / Robert L. Brennan -- Sizing up linkages / Neil J. Dorans, Michael E. Walker -- Concordance : the good, the bad, and the ugly / Mary Pommerich -- Some further thoughts on concordance / Richard Sawyer -- Practical issues in vertical scaling / Deborah J. Harris -- Methods and models for vertical scaling / Richard J. Patz, Lihua Yao -- Vertical scaling and no child left behind / Wendy M. Yen -- Linking assessments based on aggregate reporting : background and issues / David Thissen -- An enhanced method for mapping state standards onto the NAEP scale / Henry I. Braun, Jiahe Qian -- Using aggregate-level linkages for estimation and validation : comments on Thissen and Braun & Qian / Daniel Koretz -- Postscript.