We are looking for feedback on ways to measure opioid craving. If you are 18 or older, you might be eligible to participate in a remote interview research study by telephone and computer/smart phone. You can earn $100 for your participation. If you are interested, complete this online survey to determine your eligibility: https://redcap.link/CravingsStudy . Or call 410-429-7179 to be screened over the phone. Principal Investigator: Cecilia Bergeria, Ph.D. Protocol #: IRB00410020