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1. PHQ-9 score is a direct measure of the presence and/ or severity of depression. YES OR NO. 2. Knowing the level of risk for
1. PHQ-9 score is a direct measure of the presence and/ or severity of depression. YES OR NO.
2. Knowing the level of risk for type 1 and type 2 errors you are willing to assume helps determine how many participants are needed for qualitative studies. Yes or No
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