@inproceedings(anderson-chi-2003-cfs, title= {Interaction Patterns with a Classroom Feedback System: Making Time for Feedback}, author= {Richard J. Anderson and Ruth Anderson and Tammy VanDeGrift and Steven A. Wolfman and Ken Yasuhara}, pages= {880--881}, doi= {http://doi.acm.org/10.1145/765891.766047}, url= {\url{http://www.cs.ubc.ca/~wolf/papers/chi-2003-cfs-ip.pdf}}, booktitle= {Extended abstracts of CHI'03: the 2003 conference on Human factors in computing systems}, year= {2003}, isbn= {1-58113-637-4}, address= {Ft. Lauderdale, FL, USA}, order_no= {608035}, publisher= {ACM Press}, month= apr, )