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Download full textReshetar, Rosemary; Kaliski, Pamela; Chajewski, Michael; Lionberger, Karen – College Board, 2012
This presentation summarizes a pilot study conducted after the May 2011 administration of the AP Environmental Science Exam. The study used analytical methods based on scaled anchoring as input to a Performance Level Descriptor validation process that solicited systematic input from subject matter experts.
Descriptors: Advanced Placement Programs, Science Tests, Achievement Tests, Classification
