%0 Conference Paper %B IEEE Transactions on Affective Computing %D 2014 %T The Faces of Engagement: Automatic Recognition of Student Engagement from Facial Expressions %A J. Whitehill %A Z. Serpell %A Y-C Lin %A A. Foster %A J. Movellan %B IEEE Transactions on Affective Computing %8 01/2014-03/2014 %G eng