3 Questions 2 Answers 0 Followers
Questions related from Titus J. Brinker
Dear Colleagues, we are planning a school-based study with intervention and control classes. If we have control classes and intervention classes in the same schools, we are worried that the...
25 March 2017 2,787 4 View
Dear Colleagues, I asked this question in a modified way before. Please read this text carefully before giving an answer. Let me provide you with some background: We currently run two major...
01 January 1970 2,499 3 View
Dear Colleagues, we are currently conducting a randomized trial with 10,000 students and feel the need to validate their self-reported cigarette smoking status via a biochemical method. I came...
01 January 1970 6,821 8 View