Mariusz Kruk, PhD, works at the University of Zielona Góra, Poland. His main areas of interest include individual difference variables (e.g., boredom, motivation, anxiety) and the application of technology in foreign language learning and teaching. Mirosław Pawlak is Professor of English at Adam Mickiewicz University, Kalisz, Poland, and State University of Applied Sciences, Konin, Poland. His research interests include form-focused instruction, corrective feedback, learner autonomy, learning strategies, motivation, willingness to communicate, emotions in L2 learning and teaching, study abroad and pronunciation teaching.