Suppose researchers want to determine if the drug Ecstasy causes memory loss. One possible design would be to take a group of volunteers and randomly assign some to take Ecstasy on a regular basis, while the others are given a placebo. Test them periodically to see if the Ecstasy group experiences more memory problems than the placebo group. Group of answer choices The obvious flaw in this experiment is that it is unethical ( and illegal) This experiment is absolutely ethical and legal because the subjects are volunteers. No answer text provided. No answer text provided.