The design of exploratory and expressive learning environments. - Jon Ogborn (Lessons from Learning, 1993)

Cognitive development and qualitative modelling. - Jon Ogborn (J. Comput. Assist. Learn., 1998)

Modeling with young students - Quantitative and qualitative. - Joan Bliss; Jon Ogborn; Richard Boohan; Tim Brosnan; Harvey Mellar; Babis Sakonidis (J. Comput. High. Educ., 1999)