David Jeffries

David Jeffries is a Research Fellow within Education Policy and Practice at Australian Council for Educational Research and an Adjunct Research Fellow in the College of Education, Psychology and Social Work at Flinders University. His research interests are teaching and learning in science and mathematics, cognitive psychology, large scale assessment, IRT modelling, SEM and multilevel modelling. David has expertise in numerous statistical packages (ConQuest, R, SPSS, HLM, Mplus).