ELEUTERI, Stefano, Francesca TRIPODI, Irene PETRUCCELLI, Roberta ROSSI and Chiara SIMONELLI, 2014. Questionnaires and scales for the evaluation of the online sexual activities: A review of 20 years of research. Cyberpsychology: Journal of Psychosocial Research on Cyberspace [online]. 8(1), Article 2. Available at: doi:10.5817/CP2014-1-2