Wednesday, March 18, 2015

10:15am - 12:00pm - Location: Theater

1A: MOOCs - Assessments, Connections and Demographics

Wednesday, March 18, 2015

10:15am - 12:00pm

1B: Student Engagement and Behaviour

Session Chair:

Wednesday, March 18, 2015

10:15am - 12:00pm

1C: Indicators and Tools for Awareness

Session Chair:

#129 (Long) *Best Paper Nominee*: On the Validity of Peer Grading and a Cloud Teaching Assistant System; Tim Vogelsang and Lara Ruppertz - We introduce a new grading system, the Cloud Teaching Assistant System (CTAS), as an additional element to instructor grading, peer grading and automated validation in massive open online courses (MOOCs). The grading distributions of the different approaches are compared in an experiment consisting of 476 exam participants. 25 submissions were graded by all four methods. 451 submissions were graded only by peer grading and automated validation. The results of the experiment suggest that both CTAS and peer grading