These are the data sets of the study presented in: Yeoh KN, Lutteroth C and Weber G (2015). Eyes and Keys: An Evaluation of Click Alternatives Combining Gaze and Keyboard. In Proceedings of the 15th IFIP TC 13 International Conference on Human-Computer Interaction (INTERACT), 17 pages. Springer. clicks.csv contains one row for each measured click. participants.csv contains one row for each participant. If you have any questions or comments, or are interested in using this data set or in collaboration in general, please contact: christof@cs.auckland.ac.nz or gerald@cs.auckland.ac.nz