Roberts, L., & Henke, R.. (1997). Mapping Middle School Students' Perceptions of the Relevance of Science. In M. Wilson & Engelhard, G. (Eds.), Objective Measurement: Theory into Practice. Volume 4) Norwood, NJ: Ablex.

Roberts, L., & Henke, R.. (1995, April). Evaluating the Science Education for Public Understanding Program: Combining Rasch Measurement and Hierarchical Linear Modeling. Presented at the annual meeting of the American Educational Research Association. San Francisco, CA.

Wilson, M., Sloane, K., Roberts, L., & Henke, R.. (1995). SEPUP Course I, Issues, Evidence and You: Achievement evidence from the pilot implementation. University of California, Berkeley.