The presented protocol integrates various evaluation methods and demonstrates a method to evaluate the keyboard design on smartphones. Pairs matched by English characters are proposed as the input material, and the transition time between two keys is used as the dependent variable.
Wang, Y., Wang, K., Huang, Y., Wu, D., Wu, J., He, J. An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones. J. Vis. Exp. (164), e61796, doi:10.3791/61796 (2020).