Green Health & Wellness How OASIS-E impacts value-based purchasing – GWC Mag gwcmagOctober 16, 2023046 views Why does it matter to ask questions on the OASIS-E? While some of the questions may seem unimportant to the clinician, like the cognitive or emotional areas of the assessment, they’re used for risk adjustment. If these areas are not filled out correctly, it may affect your bottom line.