“…The students' performance and interest in science subjects have been related to several contextual, emotional and motivational factors, including volume of the subjects, workload, students' task orientation and personal abilities, instructional design and materials for effective teaching, teacher's efficacy and teaching skills, students' motivation and personality, class size, etc. (Abbasi et al, 2018;Ale, 1989;Armstrong, 2009;Bietenbeck, 2011;Ehrenberg, Brewer, Gamoran, & Willms, 2001;Harris & Sass, 2008;Kirillova et al, 2017;Kwon, 2016;Odogwu, 1994;Ohuche, 1978;Rus, Radu & Vanvu, 2016;Say & Bag, 2017;Shcherbakov et al, 2017;Wang & Hsieh, 2015).…”