Rob Cavanagh (PhD) is a tenured Professor in the School of Education at Curtin University in Western Australia. For the 30 years prior to the Curtin appointment in 2000, he held a variety of educational positons; teaching Science, school and systemic curriculum development, and faculty and school administration. At Curtin, he develops doctoral program, teaches research methods, and supervises higher degree research students. Other duties at Curtin involved membership of senior University committees on research, ethics, higher degree policy, and he was Director of Research in the School of Education. His research has been presented at the Australian Association for Research in Education (AARE), American Educational Research Association (AERA), Pacific Rim Objective Measurement Symposium (PROMS), International Objective Measurement Workshop (IOMW), and World Congress of the International Measurement Confederation (IMEKO). His research interests centre on conceptions of Science, measurement theory, classroom and school learning environments, and applications of the Rasch Model.