A psychiatrist studying the affects of healthy eating habits on mood improvement. He identifies 25 people who eat healthy food and 25 who do not. Each other 50 people is given a questionnaire design to determine their mood. None of the 50 people participated in the study knew they were part of the study. Which statement is true? A this is a random mise comparative experiment be this is a double blind study see this is an observational study D this is matched pairs design
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Home » Mathematics » A psychiatrist studying the affects of healthy eating habits on mood improvement. He identifies 25 people who eat healthy food and 25 who do not. Each other 50 people is given a questionnaire design to determine their mood.