Facilitating code-writing in PI classes. - Daniel Zingaro; Yuliya Cherenkova; Olessia Karpova; Andrew Petersen 001 (SIGCSE, 2013)

Identifying challenging CS1 concepts in a large problem dataset. - Yuliya Cherenkova; Daniel Zingaro; Andrew Petersen 001 (SIGCSE, 2014)