The Cost and Cost-Effectiveness of Training School-Based Personnel in Motivational Interviewing
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Date
2025-02-24
Authors
Small, Jason
Journal Title
Journal ISSN
Volume Title
Publisher
University of Oregon
Abstract
The use of Motivational Interviewing (MI) in school-based settings has increased dramatically over the last decade. Yet, relatively little is known about the costs associated with training school-based personnel in MI and the extent to which they can transfer the declarative and procedural knowledge and skills gained during training into proficient use within school-based settings. This study applies an Implementation Science lens to examine the cost and cost-effectiveness of an MI training model. School-based instructional coaches (n = 31) from two school districts in Kentucky and Missouri were randomly assigned to receive either a standardized coach training (i.e., Coaching Best Practices [CBP]) or CBP training and intensive training in MI (CBP+MI). This study reports the cost of MI training and support components (e.g., preparation, workshop, consultation and feedback sessions, and community of practice meetings); incremental and dissemination costs associated with MI training; variations in cost estimates using sensitivity analysis; and provides preliminary exploratory data on the incremental cost effectiveness of training school-based personnel to fidelity in MI. This study found that the majority of trainers’ average and incremental cost estimates were attributable to delivering MI workshops, followed by CBP workshops and then consultation and feedback sessions. Roughly an additional 25% of trainees in the CBP+MI condition demonstrated basic proficiency in MI’s relational and technical skills across sessions. The CBP+MI training model was the cost effective option when using a rigorous cutoff that required trainees to meet all four fidelity cutoffs across two or more sessions. Per trainee cost to train to fidelity was $3,910.
Description
Keywords
Cost Analysis, Cost-Effectiveness Analysis, Implementation Science, Instructional Coaching, Motivational Interviewing