2. Responding driven sampling Introduction to the course

3. What does this course cover? The concepts of sampling? The application of probability sampling in HIV surveillance? The concept of non-probability sampling in HIV surveillance? How to minimize sampling bias of non-probability sampling in HIV surveillance? The details of RDS (respondent driven sampling) 2WWW.HIVHUB.IR

4. Rules and regulations Each session starts with a lecture There are some extra reading materials and you have to review these materials as well At the end of each session, there is a quiz. To be able to open next session, you have to correctly answer to at least 4 out of 5 questions There are two exams in the whole course and you have to pass these exams with minimum score of 15 out of 20 3WWW.HIVHUB.IR