机译:The "ins and outs" of student engagement in mathematics: shifts in engagement factors among high and low achievers
Univ Oxford, 15 Norham Gardens, Oxford OX2 6PY, England;
Univ Sydney, Educ Bldg A35, Sydney, NSW 2006, Australia;
Univ New South Wales, Sydney, NSW 2052, Australia;
Engagement; Disengagement; Motivation; Mathematics; Achievement; Secondary school;