Inducing positive emotional state in Intelligent Tutoring Systems. - Soumaya Chaffar; Lotfi Derbali; Claude Frasson (AIED, 2009)

Prediction of Players Motivational States Using Electrophysiological Measures during Serious Game Play. - Lotfi Derbali; Claude Frasson (ICALT, 2010)

Players' Motivation and EEG Waves Patterns in a Serious Game Environment. - Lotfi Derbali; Claude Frasson (Intelligent Tutoring Systems (2), 2010)

Assessment of Learners' Attention While Overcoming Errors and Obstacles: An Empirical Study. - Lotfi Derbali; Pierre Chalfoun; Claude Frasson (AIED, 2011)

Physiological Evaluation of Attention Getting Strategies during Serious Game Play. - Lotfi Derbali; Claude Frasson (AIED, 2011)

A Theoretical and Empirical Approach in Assessing Motivational Factors: From Serious Games To an ITS. - Lotfi Derbali; Pierre Chalfoun; Claude Frasson (FLAIRS, 2011)

Exploring the Effects of Prior Video-Game Experience on Learner's Motivation during Interactions with HeapMotiv. - Lotfi Derbali; Claude Frasson (ITS, 2012)

Assessment of Learners' Motivation during Interactions with Serious Games: A Study of Some Motivational Strategies in Food-Force. - Lotfi Derbali; Claude Frasson (Adv. Hum. Comput. Interact., 2012)

Assessing Motivational Strategies in Serious Games Using Hidden Markov Models. - Lotfi Derbali; Ramla Ghali; Claude Frasson (FLAIRS, 2013)

Motivational Strategies to Support Engagement of Learners in Serious Games. - Ramla Ghali; Maher Chaouachi; Lotfi Derbali; Claude Frasson (ICAART (1), 2014)