Table 1.

Examples of Theoretical Domains Framework Domain-Grounded Interview Questions for Deviance and Delta Studies (Adapted from Michie et al., 2005 and Patey et al., 2012) ^31,32

Theoretical Domains Framework domain	Deviance study: example interview questions for low performing site	Delta study: example interview questions for greatly improved site
Motivation and goals	What would be an incentive for you to reduce the number of preoperative tests you order when evaluating patients for low-risk procedures?	Was there an incentive that helped reduce the number of preoperative tests you ordered when evaluating patients for low-risk procedures?
Beliefs about capabilities	How easy or difficult is it for you personally to cancel or order no tests as all?	Has it become more or less difficult for you personally to cancel or order no tests as all? (If yes) In what ways? How did this change occur?
Beliefs about consequences	What will happen if you do not order tests during your pre-op evaluation for low-risk patients?	Compared to before, do you think the consequences or risks have changed of not ordering tests during your pre-op evaluation for low procedures?
Environmental context and resources	What aspects of your clinical environment influence whether or not you are able to order preoperative tests for patient having a low-risk procedure?	What aspects of your clinical environment have changed to enable you to reduce the number of preoperative tests you order for a pre-op evaluation for patient having a low-risk procedure?
Social influences	Would your section chief support your decision to not order preoperative tests for low-risk procedures?	Has your section leader been supportive of your decision to not order tests for low-risk procedures?
Behavioral regulation	What would you personally have to do to decrease the number of preoperative tests you order for a patient having low-risk procedure?	How have you personally managed to decrease the number of preoperative tests you order for a patient having low-risk surgery?
Emotion	Does not ordering preoperative tests for a patient having a low-risk procedure evoke worry or concern in you?	Do you feel more or less worry or concern when you do not order preoperative tests compared to before? (If yes), what has contributed to that change?