This article draws on the concept of structural lag to expand the notion of transitions in higher education contexts beyond linear and age-differentiated. Research reported here responds to scholars who are taking theories of transition into conceptually new landscapes. Using a rhizomic data analysis of a doctoral research project, the idea of…

Discussed is a report of a British government advisory group concerning programs of study in mathematics education, as related to students with special education needs. Described are the progression of levels, the spread of levels normal for particular age groups, and the notion of age determining the work of students. (JDD)