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April 3, 2014

“Going deep” to meet math standards

By Gene M. Kerns, EdD, Vice President and Chief Academic Officer With Common Core, like any other complex initiative, we have to first take in the larger, straight-forward ideas before ever considering some of the nuances. Now that most states are […]
June 19, 2014

From possibility to probability

By Alexa Posny, PhD, Former Chief State School Officer A question that I constantly wonder about is this: What does it look like when teachers are truly making a difference in the lives of each and every one of their […]
July 10, 2014

Understanding the reliability and validity of test scores

By Catherine Close, PhD, Psychometrician   Toward the end of my master’s degree program, I called my parents and excitedly announced that I was entering a doctoral program in psychometrics. A few uncomfortable moments later, my father responded, “That sounds…interesting.” […]
August 21, 2014

The basics of test score reliability for educators

By Catherine Close, PhD, Psychometrician   Reliability is a broad topic, broad enough to be thesis worthy. So, when I set out to summarize “all things reliability”—in two pages, no less—I didn’t know where to start. Naturally, I procrastinated. When […]

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