1. , , , , & (2001). Baseline impact study: Disney's animal kingdom conservation station. Technical Report, Annapolis, MD: Institute for Learning Innovation.
2. Impact of National Aquarium in Baltimore on Visitors' Conservation Attitudes, Behavior, and Knowledge
3. (1999). Understanding the impact of post-visit activities on students' knowledge construction of electricity and magnetism as a result of a visit to an interactive science centre. Unpublished doctoral dissertation, Queensland University of Technology, Brisbane, Australia.
4. (1996). Double exposures. London: Routledge.