Does the length of time off-task matter?

Daniel Roberge, Anthony Rojas, Ryan Baker. Does the length of time off-task matter?. In Shane Dawson, Caroline Haythornthwaite, Simon Buckingham Shum, Dragan Gasevic, Rebecca Ferguson, editors, Second International Conference on Learning Analytics and Knowledge, LAK 2012, Vancouver, BC, Canada, April 29 - May 02, 2012. pages 234-237, ACM, 2012. [doi]

@inproceedings{RobergeRB12,
  title = {Does the length of time off-task matter?},
  author = {Daniel Roberge and Anthony Rojas and Ryan Baker},
  year = {2012},
  doi = {10.1145/2330601.2330657},
  url = {http://doi.acm.org/10.1145/2330601.2330657},
  researchr = {https://researchr.org/publication/RobergeRB12},
  cites = {0},
  citedby = {0},
  pages = {234-237},
  booktitle = {Second International Conference on Learning Analytics and Knowledge, LAK 2012, Vancouver, BC, Canada, April 29 - May 02, 2012},
  editor = {Shane Dawson and Caroline Haythornthwaite and Simon Buckingham Shum and Dragan Gasevic and Rebecca Ferguson},
  publisher = {ACM},
  isbn = {978-1-4503-1111-3},
}