2nd int'l workshop on open badges in education (OBIE 2015): from learning evidence to learning analytics. - Daniel T. Hickey; Jelena Jovanovic 001; Steven Lonn; James E. Willis (LAK, 2015)

Research Designs for Studying Individual and Collaborative Learning with Digital Badges. - Daniel T. Hickey; James E. Willis III (OBIE@LAK, 2015)

Digital Badges and Ethics: The Uses of Individual Learning Data in Social Contexts. - James E. Willis III; Joshua D. Quick; Daniel T. Hickey (OBIE@LAK, 2015)

The Ethics of Machine-Based Learning: Advancing without Losing Humanity. - James E. Willis III; Viktoria A. Strunk (Int. J. Sociotechnology Knowl. Dev., 2017)