A common purpose that runs through all the methods just outlined is for the client to speak about ways in which change can occur, about confidence: why and how he or she could succeed with change.
Miller defines confidence as a specific species of change talk in MI — a client’s voiced self-efficacy regarding the possibility of successful change — and prescribes targeted reflective strategies to strengthen it.
, Motivational Interviewing: Helping People Change, Third Edition, 2013thesis