The effectiveness of multiple matrix sampling was examined in a study of 495 students' attitudes toward a computer education program. A post hoc analysis of variance was used, with the class as the unit of analysis. The Computer Attitude Scale, a 30-item rating scale, was used to measure attitudes toward learning about and working with computers.…

The sequential probability ratio test (SPRT), developed by Abraham Wald, is one statistical model available for making mastery decisions during computer-based criterion referenced tests. The predictive validity of the SPRT was empirically investigated with two different and relatively large item pools with heterogeneous item parameters. Graduate…

This proceedings contains the texts of 14 science education research studies which were presented at the 1983 Western Australia Science Education Conference. They include: "Students' Understanding of Chemical Equilibrium: A Report of Research in Progress" (Patrick J. Garnett, Mark W. Hackling); "Measuring the Learning Environment in…

In March, 1986, the National Science Foundation (NSF) commissioned a study designed to assess initiatives available to NSF to address problems and opportunities in K-12 science education. The first part of this volume presents a detailed discussion of "core functions" for the NSF in K-12 science education (promoting professional…