The work performed by clinical psychologists tends to be influenced by various therapeutic approaches, all of which involve a formal relationship between professional and client (usually an individual, couple, family, or small group).
临床心理学家所做的努力受到诸多治疗方案的影响，所有方案都包括专业人士与患者（通常是个人、夫妻、家庭、或小群体）之间的正式关系。