Choosing whether to test via computer is the most difficult and consequential decision the designers of a testing program can make. The decision is difficult because of the wide range of choices available. Designers can choose where and how often the test is made available, how the test items look and function, how those items are combined into…

Innovations, Educational Testing Service (ETS's) corporate magazine, provides information on educational assessment for educators, school leaders, researchers and policymakers around the world. Each issue focuses on a particular theme in assessment. This issue explores the question, "What makes a great teacher?" Articles in this issue…