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Reshetar, 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
Wolfe, Edward W.; Myford, Carol M.; Engelhard, George, Jr.; Manalo, Jonathan R. – College Board, 2007
In this study, we investigated a variety of Reader effects that may influence the validity of ratings assigned to AP® English Literature and Composition essays. Specifically, we investigated whether Readers exhibit changes in their levels of severity and accuracy, and their use of individual scale categories over time. We refer to changes in these…
Descriptors: Advanced Placement Programs, Essays, English Literature, Writing (Composition)