The graphics and animation capabilities of computers offer a new dimension in science testing. Instead of presenting verbal situations or questions with accompanying pictures, computers can present simulated actions and events that are the focus of science questions. The purpose of this project was to develop a valid and reliable computer-based…

Describes 10 computer programs (available from authors), including graphics display of molecular structure, cyclohexane stereo chemistry, calculation of thermodynamics properties of chemical reactions, and others. Also described graphical display of chemical interactive programs using a programmable calculator and discusses distribution of…

The hardware and software system used to create the National Opinion Research Center/Center for Research on Evaluation, Standards, and Student Testing (NORC/CRESST) item databases and test booklets for the 12th-grade science assessment are described. A general description of the capabilities of the system is given, with some specific information…