49. Which of the following research requires clearance from the Human Subjects Committee?
(A) A survey of learning styles in the class you are teaching
(B) Informal talks with your dorm mates
(C) Frequency counts of certain English word
(D)A Writing an autobiography

答案：登入後查看
統計： A(43), B(9), C(0), D(9), E(0) #598302