Raymond Lister, Tony Clear, Beth Simon, Dennis J. Bouvier, Paul Carter, Anna Eckerdal, Jana Jacková, Mike Lopez, Robert McCartney, Phil Robbins, Otto Seppälä, Errol Thompson. Naturally occurring data as research instrument: analyzing examination responses to study the novice programmer. ACM SIGCSE Bulletin, 41(4):156-173, 2009. [doi]
Abstract is missing.