The following paper is now published as an LNCS book chapter:

Moore, A., Macarthur, V., & Conlan, O. (2012). Core Aspects of Affective Metacognitive User Models. In L. Ardissono & T. Kuflik (Eds.), Advances in User Modeling: selected papers from UMAP 2011 workshops. Lecture Notes in Computer Science 7138 (pp. 47-59). Springer-Verlag GmbH. doi:10.1007/978-3-642-28509-7