Quan điểm của trường phái quản lí khoa học, đánh giá ưu nhược điểm

Working to improve the working conduit a factory is an example of

In a person dependent on a drug, occurs when the drug leaves his or her system quickly or for a prolonged period of time. a. addiction b. withdrawal c. independence d. relapse

The double-blind procedure is most for a.random assignment b.the placebo effect c.operational definitions replication d. standard deviations