A natural language screening measure for motivation to change
Addictive Behaviors Volume 33, Issue 9, September 2008, Pages 1177-1182


Client motivation for change, a topic of high interest to addiction clinicians, is multidimensional and complex, and many different approaches to measurement have been tried.

The current effort drew on psycholinguistic research on natural language that is used by clients to describe their own motivation. Seven addiction treatment sites participated in the development of a simple scale to measure client motivation. Twelve items were drafted to represent six potential dimensions of motivation for change that occur in natural discourse. The maximum self-rating of motivation (10 on a 0–10 scale) was the median score on all items, and 43% of respondents rated 10 on all 12 items — a substantial ceiling effect.

From 1035 responses, three factors emerged representing importance, ability, and commitment — constructs that are also reflected in several theoretical models of motivation. A 3-item version of the scale, with one marker item for each of these constructs, accounted for 81% of variance in the full scale.

The three items are: 1. It is important for me to . . . 2. I could . . . and 3. I am trying to . . . This offers a quick (1-minute) assessment of clients' self-reported motivation for change.

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Rerquest Reprint E-Mail: WRmiller@unm.edu
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