To serve you better, we will be implementing upgrades to our order systems. This will temporarily delay shipping of all orders starting at 1:00 p.m. CST on May 25 until June 1. We encourage customers who have critical delivery deadlines to order on or before
Our experts engage in basic and applied research about innovations in testing and measurement to address real-world measurement challenges and produce useful information for guiding educational decisions. We openly share our research here.
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