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Dear Pataraporn Kheawwan
Its hard for me to remember, to be Honest. I think I came up with this idea when working clinically on a study of change in Type II diabetes, so i think the original reference is:
Stott N, Rollnick S, Rees M, Pill R. Innovation in clinical method: diabetes care and negotiating skills. Fam Pract 1995;12: 4: 413-418. I dont have a copy of this paper, so I cant send it to you. Sorry.
This was a simple 10-step scale from 0 to 10 for readiness to change any of the behaviours under discussion.
Now I had no intention at the time of linking this explicitly to the stages of change you mention. Indeed, i developed it as a more fluid clinical tool precisely because I was worried about people's reported stage of change being variable and dependent on the clinical context, and even the way they were spoken to.
if you want to measure stage of change, across behaviours, then I guess you are talking about a quite complex set of scales, one for each behaviour, and I have no idea whether anyone has developed this.
I wonder if this helps you?
The readidness ruler has since been inserted into a number of books by me, as an aid to clinical practice - see:
Rollnick S, Mason P, Butler C. Health Behavior Change: A Guide for Practitioners. Edinburgh: Churchill Livingstone, 1999
Rollnick S, Miller W, Butler C. (2007) Motivational Interviewing in Healthcare. New York: Guilford Press.
With kind regards,
Steve
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