Measuring Uncertainty in Games: Design and Preliminary Validation. - Christopher Power; Alena Denisova; Themis Papaioannou; Paul A. Cairns (CHI Extended Abstracts, 2017)

Lost at the Edge of Uncertainty: Measuring Player Uncertainty in Digital Games. - Christopher Power; Paul A. Cairns; Alena Denisova; Themis Papaioannou; Ruth Gultom (Int. J. Hum. Comput. Interact., 2019)