Guy joined Carleton University in 2005. He earned his Ph.D. at Université de Montréal, and then went on to appointments at Concordia and Brock University. Guy is currently working on theoretical and empirical aspects of learning, attention, and categorization; cognitive factors that are related to child and adult literacy skills; and pedagogical issues in literacy and mathematics.
Current Projects
The Impact of Categorization Task Demands on the Development of Verbal and Perceptual Knowledge (2007-2012).

The effects of teaching practices on the development of addition and subtraction in first and second grade students: A longitudinal study. (2005–2008).
