Table 2.

Motivational Interviewing Treatment Integrity 3.1.1 score explanation and threshold [27]

	Explanation	Threshold
Global score
Evocation	the extent to which the practitioner conveys an understanding that motivation for change and the ability to move toward that change, reside mostly within the client and therefore focuses efforts to elicit and expand it within the therapeutic interaction	3.5
Collaboration	the extent to which the practitioner behaves as if the interview is occurring between two equal partners, both of whom have knowledge that might be useful in the problem under consideration	3.5
Autonomy/Support	the extent to which the practitioner supports and actively fosters client perception of choice as opposed to attempting to control the client’s behaviour or choices	3.5
Direction	the degree to which a practitioner maintain appropriate focus on a specific target behaviour or concerns directly tied to it	3.5
Empathy	the extent to which the practitioner understands or makes an effort to grasp the client’s perspective and feelings	3.5
Spirit	Average of the Evocation, Collaboration, Autonomy/support dimensions	3.5
Behavioural count
Reflection: Questions	dividing the total amount of reflections by the total amount of questions	1:1
% Open Questions	dividing the amount of open questions by the total amount of closed and open questions	50%
% Complex Reflections	dividing the amount of complex reflections by the total amount of simple and complex reflections	40%
% MI Adherent	dividing the amount of MI-adherent statements by the total amount of MI adherent and MI non adherent statements combined	90%