“…Personality; Big 5 Robison et al, 2010;Nunes and Hu, 2012;Alhathli et al, 2016Alhathli et al, , 2018bDennis et al, 2016 Psychological aspects Self-efficacy Beal and Lee, 2005a;Mcquiggan et al, 2008 Mental effort Salden et al, 2006;Okpo et al, 2018 Motivation Beal and Lee, 2005a;Cocea and Weibelzahl, 2006 Affective state and mood Beal and Lee, 2005b;Forbes-Riley et al, 2008;Graesser et al, 2008;Odo et al, 2018 Behavior and performance Learner competence Mitrović et al, 1996;Davidovic et al, 2003;Tsiriga and Virvou, 2004;Cheng et al, 2008;Corbalan et al, 2008 Problem solving skills Melis et al, 2001;Pholo and Ngwira, 2013 Help seeking behavior and self-regulated learning Koutsojannis et al, 2001;Azevedo, 2005 Learner progress Brusilovsky et al, 1996;Revilla et al, 2008;Trotman and Handley, 2008;Verdú et al, 2012 Cognition Cognitive style Triantafillou et al, 2004;Graesser et al, 2007;Mampadi et al, 2011;Lo et al, 2012;Alhathli et al, 2018a Knowledge state and prior knowledge Shute, 1995;Ray and Belden, 2007;Kelly, 2008;Petrovica, 2013 Learning style Magoulas et al, 2003;Sun and Cheng, 2007;…”