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Excellence in Assessment—Technical Quality
Research-Based Innovation for Reliable, Useful Results
Important educational decisions require precise and accurate
measurement information. TerraNova, The
Second Edition meets the highest standards of psychometric
and technical excellence in the industry—continuing our
long tradition of creating assessments that reflect leadership,
integrity, instructional relevance, and advanced measurement
capabilities.
The technical superiority of TerraNova,
The Second Edition offers you significant advantages
in today's challenging assessment environment. more
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Sound policies, procedures, and standards ensure a high degree of test quality, Our superior technical, curriculum, and content expertise extends to every aspect of the test development process. more
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Large samples of students across the country provided empirical information to help select test items that meet the highest standards of psychometric quality and fairness. more
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More than 275,000 K-12 students participated in TerraNova,
The Second Edition standardization studies—reflecting
a precise, inclusive sampling strategy. more
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Only CTB combines selected- and constructed-response items
on a single scale—we use advanced Item Response Theory
procedures to ensure accurate and reliable test results. more | view topic(210K PDF, opens new browser window)
CTB's unique, nationally respected Bookmark procedure was
used to determine performance cut scores for TerraNova,
The Second Edition, reflecting a consensus among a broad
range of educational experts. more | view topic(190K PDF, opens new browser window)
Integrity, technical excellence, and a highly trained staff
ensure accurate, efficient processing for every TerraNova,
The Second Edition assessment—no matter how complex. more
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