Biometric design for casual games: a case study on measuring facial responses in casual games. - Maartje M. C. G. Polman; Licia Calvi; Dirk P. Janssen (Advances in Computer Entertainment Technology, 2011)

How psychophysiology can aid the design process of casual games: a tale of stress, facial muscles, and paper beasts. - Stefano Gualeni; Dirk P. Janssen; Licia Calvi (FDG, 2012)

Comparing Game User Research Methodologies for the Improvement of Level Design in a 2-D Platformer. - Marcello Andres Gómez Maureira; Dirk P. Janssen; Stefano Gualeni; Michelle Westerlaken; Licia Calvi (Advances in Computer Entertainment, 2013)

A framework for biometric playtesting of games. - Dirk P. Janssen; Licia Calvi; Stefano Gualeni (FDG, 2013)

Did you see that?: in-game advertising retention in players and onlookers. - Lindsay D. Grace; Dirk P. Janssen; James R. Coyle (Advances in Computer Entertainment, 2014)

Improving level design through game user research: A comparison of methodologies. - Marcello A. Gómez Maureira; Michelle Westerlaken; Dirk P. Janssen; Stefano Gualeni; Licia Calvi (Entertain. Comput., 2014)

Persuasive Content: Understanding In-Game Advertising Retention in Players and Onlookers. - Lindsay Grace; Dirk P. Janssen; James R. Coyle (FDG, 2015)

Sensors at Play: A biometric framework for game developers and game users. - Dirk P. Janssen; Luis Garcia Rosario; Marcello A. Gómez Maureira; Gerben Beijneveld (FDG, 2015)

The Negative Effects of Praise and Flattery. - Joachim Prook; Dirk P. Janssen; Stefano Gualeni (FDG, 2015)

Playing under threat. Examining stereotype threat in female game players. - Lotte Vermeulen; Elena Patricia Núñez Castellar; Dirk P. Janssen; Licia Calvi; Jan Van Looy (Comput. Hum. Behav., 2016)