1. Data analysis for the science assessment;Allen,1992
2. Overview of Part 11: The analysis of 1990 NAEP data;Allen,1992
3. The NAEP 1983-1984 Technical Report,1987
4. The NAEP 1985-1986 Technical Report,1988
5. Interpreting scales through scale anchoring;Beaton;journal of Educational Statistics,1992