The psychological quality is a stable, basic and derivative psychological character, and is a dynamic organization composed of four subs-systems of cognition, personality psychology, mental health and social adaptation. Foreign and domestic scholars have done plenty of researches on the relationship between the academic performance and several…

Mediation theory facilitates teachers and students to tackle the barriers in English teaching and learning process. It offers a sound systematic theoretical fort on which teachers could rely, redefines teachers' roles and functionings in the process of learners' cognitive development and growing self-regulations. The famous psychologist Lev…