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Mathematics, 20.12.2019 06:31, samanthalopez11
Apsychiatrist 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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