Describe research that has tested the effectiveness of these standards and/or policies in addressing care quality, patient safety, and costs to the system and individual. Explain how these standards and/or​‌‍‍‍‌‍‍‌‌‌‍‌‍‍‌‌‍‌‍‍​ policies will guide your actions in addressing care quality, patient safety, and costs to the system and individual.