Scale-Description

The University of Rhode Island Change Assessment Scale (URICA-32) – Drug Version is a psychometric tool that assesses an individual’s stages of change related to substance use. The scale is based on the Transtheoretical Model of Change developed by Prochaska and DiClemente and includes four key stages of change:
Precontemplation: The individual has no intention to change their behavior and does not recognize a problem.
Contemplation: The individual starts to recognize the problem and considers the possibility of change but has not yet committed to a specific course of action.
Preparation: The individual decides to make a change and prepares for action.
Action: The individual has initiated specific actions to change their behavior.
The scale consists of 32 questions that assess the individual’s readiness for change and is specifically tailored for substance use cases. Responses are given on a Likert scale, allowing participants to indicate the extent to which they agree with each statement.

Data Analysis and Usage

Data collected from the URICA-32 – Drug Version are analyzed to determine the stage at which the individual is regarding the change in their substance use behavior. The key analyses include:
Calculation of stage scores: Scores are calculated for each stage of change based on the individual’s responses, allowing identification of the dominant stage the individual is currently in.
Correlation with other psychological measures: Scores can be correlated with other psychological variables, such as motivation, anxiety, or depression, to better understand the relationship between stages of change and the individual’s mental state.
Assessment of progress: The scale can be used repeatedly during an intervention or treatment to evaluate the individual’s progress through the various stages of change.
The data from the URICA-32 can be used in clinical studies and therapeutic settings to understand and support the process of change in substance use.

Purpose

The primary goal of the URICA-32 – Drug Version is to assess an individual’s readiness to change their substance use behavior. The scale aims to:
Identify the stage of change the individual is in, so that treatment or intervention can be tailored to their specific needs.
Enhance the individual’s self-awareness regarding their behavior and readiness for change.
Provide a tool for therapists to monitor patients’ progress through the various stages of change.

Calibration

The calibration of the URICA-32 involves:
Reliability analysis: Calculation of Cronbach’s alpha to assess the internal consistency of the subscales, such as precontemplation, contemplation, preparation, and action.
Factor analysis: To confirm the multidimensional structure of the scale and verify that the questions correctly align with their corresponding stages.
Validation: Testing the scale on different populations to ensure that it is generalizable and reliable in various contexts and cultural settings.

Bibliography

DiClemente, C. C., & Prochaska, J. O. (1982). Self-change and therapy change of smoking behavior: A comparison of processes of change in cessation and maintenance. Addictive Behaviors, 7(2), 133-142.
Prochaska, J. O., & DiClemente, C. C. (1983). Stages and processes of self-change of smoking: Toward an integrative model of change. Journal of Consulting and Clinical Psychology, 51(3), 390-395.
McConnaughy, E. A., Prochaska, J. O., & Velicer, W. F. (1983). Stages of change in psychotherapy: Measurement and sample profiles. Psychotherapy: Theory, Research & Practice, 20(3), 368-375.