On 9/13/12, the Workshop on Developing Assessments to Meet the Goals of the 2012 Framework for K-12 Science Education was held at the National Academies of Science. The workshop was organized and led by the NRC Committee on Developing Assessments of Science Proficiency in K-12 (co-chaired by James Pellegrino and Mark Wilson) and targeted to state…

The Many-Facet Rasch (MFR) Model is traditionally used to evaluate the quality of ratings on constructed response assessments; however, it can also be used to evaluate the quality of judgments from panel-based standard setting procedures. The current study illustrates the use of the MFR Model by examining the quality of ratings obtained from a…

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.

[Slides] presented at the Annual Meeting of National Council on Measurement in Education (NCME) in San Diego, CA in April 2009. This presentation discusses a methodology for directly connecting evidence-centered assessment design (ECD) to score interpretation and use through the development of Achievement level descriptors.