Articulating the ineffable. Programming language theory 
cognitive psychology. PhD @Stanford
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"Some students had not formulated misconceptions about Objects, as they had no conceptions at all. During the interviews, they either froze, admitted with some embarrassment to having no idea what an Object was, even when prompted in several ways, or simply changed the subject."
"The breadth of misconceptions about memory models was unexpected. Memory models are very difficult, but we did not expect such a high number and variety of misconceptions."
Kaczmarczyk, Lisa C., Elizabeth R. Petrick, J. Philip East, and Geoffrey L. Herman. “Identifying Student Misconceptions of Programming.” SIGCSE ’10.
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