让训练能给学员带来积极的、满意的情绪这属于使用哪一种规律? Which of the following learning p

让训练能给学员带来积极的、满意的情绪这属于使用哪一种规律? Which of the following learning principle can bring positive and satisfied emotion for trainee?

A.近因律 principle of recency

B.练习律 principle of exercise

C.效果律 principle of effect

正确答案是C