Rater cognition or "think-aloud" studies have historically been used to enhance rater accuracy and consistency in writing and language assessments. As assessments are developed for new, complex constructs from the "Next Generation Science Standards (NGSS)," the present study illustrates the utility of extending…

Although test scores from similar tests in multiple choice and constructed response formats are highly correlated, equivalence in rankings may mask differences in substantive strategy use. The author used an experimental design and participant think-alouds to explore cognitive processes in mathematical problem solving among undergraduate examinees…