Two different versions of "big ideas" rooted content maps have recently been published for general chemistry. As embodied in the content outline from the College Board, one of these maps is designed to guide curriculum development and testing for advanced placement (AP) chemistry. The Anchoring Concepts Content Map for general chemistry…

This study followed the comparative research mode of description, interpretation, juxtaposition and comparison. Based on the literatures and data collected on the topic, the paper compared and analyzed the past, present and future of APTHS (academic proficiency test for high schools) in the two countries. Some contemplations on the common issues…

Differential item functioning on 6 forms of the Scholastic Aptitude Test was examined for 181,228 male and 198,668 female students focusing on the points tested, the test format, and subject matter in which items are embedded. Implications of the identifiable differences are discussed. (SLD)