彭月茵程炳林陸偉明YUEH-YING PENGBIIING-LIN CHENG and WEI-MING LUH2014-10-272014-10-272005-03-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/11428回饋訊息目標層次控制信念學習動機數學工作表現Feedback informationGoal levelsLearning motivationLocus of controlMathematic task performance目標層次、回饋訊息對數學工作表現與學習動機之效果The Effect of Goal Level and Feedback Information on Math Task Performance and Learning Motivation:Considering Junior High School Student's Locus of Control