A Commitment to Quality
CTB/McGraw-Hill is the leading publisher of assessments for children
and adults. With a staff of doctoral-level researchers, scientists,
mathematicians, writers, and editors, we assist thousands of school
districts across the nation and score more than 20 million assessments
each year.
Our dedication to quality research allows us to consistently deliver
meaningful and reliable assessments.
About the Acuity™ Research Foundations
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Dr. Daniel Lewis is a Senior Research Scientist at CTB/McGraw-Hill.
An educator and educational researcher since 1981, Dr. Lewis’
primary research interests include formative and benchmark assessment,
growth and value-added modeling, standard setting, and educational
assessment policy. Read Full
Bio. |
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Dr. Keith A. Boughton is a Senior Research Scientist at CTB. Dr. Boughton's
primary research interests include multi-dimensional IRT, mixture IRT models,
Markov Chain Monte Carlo (MCMC) estimation, formative and benchmark assessment,
growth modeling, and computer-adaptive testing. Read Full
Bio. |
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