No Pain, no Gain? Investigating motivational mechanisms of game elements in cognitive tasks. - Katharina Bernecker; Manuel Ninaus (Comput. Hum. Behav., 2021)

Facial and Bodily Expressions of Emotional Engagement: How Dynamic Measures Reflect the Use of Game Elements and Subjective Experience of Emotions and Effort. - Simon Greipl; Katharina Bernecker; Manuel Ninaus (Proc. ACM Hum. Comput. Interact., 2021)