• Implications of Research on Children’s Learning for Assessment: Matter and Atomic Molecular Theory by Carol Smith, Marianne Wiser, Charles W. Anderson, Joe Krajcik, and Brian Coppola

• Classroom-based Assessment System for Science: A Model by Barbara S. Plake, Chad W. Buckendahl, and James C. Impara

• Building NCLB Science Assessments: Psychometric and Practical Considerations by Richard J. Patz

• The Vertical Scaling of Science Achievement Tests by Mark D. Reckase and Joseph Martineau

• Instructionally Supportive Accountability Tests in Science: A Viable Assessment Option? by Tom Keller, Brett Moulding, James Pellegrino, W. James Popham, and Paul Sandifer

• Use of Technology-Supported Tools for Large-Scale Science Assessment: Implications for Assessment Practice and Policy at the State Level by Edys S. Quellmalz and Geneva D. Haertel

• Models for Multi-Level State Science Assessment Systems by Edys S. Quellmalz and Mark Moody

• Imperfect Matches: The Alignment of Standards and Tests by Robert Rothman

• International Approaches to Science Assessment by Paul Black and Dylan William

• Country Profiles: England, France, Germany, Japan, New Zealand, Australia (Queensland), Sweden.

• Tracing a Prospective Learning Progression for Developing Understanding of Evolution by Kefyn Catley, Richard Lehrer, and Brian Reiser