Single or Double Blinds

From the reading in Chapter 2 – Which in your opinion is the most useful in a research study with participants a Single Blind or a Double Blind?  Explain your reason for one or the other.  

In this thread you are to build the discussion from the topic above. Each student is to address the conversation with ONE full thought in a well designed and complete paragraph. Each student will be graded on the ONE paragraph, additional paragraphs are welcome in the conversation but only the first paragraph issued will be graded. The grade per-paragraph/discussion will be five (5) points.

Rules of the thread for students: Comments are remain in the realm of the conversation/topic. No comments are to attack, put down, or criticize other students. Academic rules still apply in all threads. Proper and good academic wording is to be used (no slang or fowl language). Comments are to be well thought out and in a complete paragraph. A complete paragraph in a thread has at least 5 complete sentences with the following components. Introduction sentence, 3-5 sentences of the conversation/discussion, Conclusion sentence.

Thread should be completed by the due date and no late thread/conversations from students will be accepted.