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.

For educational achievement tests that employ multiple-choice (MC) items and aim to reliably classify students into performance categories, it is critical to design MC items that are capable of discriminating student performance according to the stated achievement levels. This is accomplished, in part, by clearly understanding how item design…

Presents an "infobase" version of "A Pilot Standard National Course Classification System for Secondary Education" to allow users to browse, search, annotate, print, and export information electronically. This publication is the culmination of a major effort to help establish common terminology, descriptions, and a coding…