Using “Levels of Evidence in Research,” (attached), identify two primary research articles that support the proposed intervention for your DPI Project. Explain why these research articles are considered primary research articles with a high level of evidence and how the support your proposed intervention. Proposed Intervention is: Teach-Back PICOT Question is: In adult patients with hypertension treated in an out-patient setting (P), how does the teach-back method (Intervention) compare to traditional teaching (without teach-back) (C) to improve hypertension awareness and management (O) within eight weeks (T)?