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Updated: Oct 4, 2025

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
Describing the use of behavior change techniques among the most popular home workout channels on YouTube: A
Wuyou Sui1, Anisa Morava2, Jason Tsang2
1University of Victoria, Canada.
Abstract:
The purpose of our study was to describe characteristics of behavior change techniques (BCTs) employed by popular YouTube fitness channels and examine relationships between BCTs used and engagement metrics (e.g. views, likes, comments). Seventy-five videos were coded according to BCT Taxonomy v1. Multi-level modeling was conducted between BCTs and engagement metrics. Fifty-four unique BCTs were used, with "Demonstration of behavior" and "Instruction on how to perform the behavior" used the most. The number of BCTs employed was 12.5 ± 6.65 and BCTs were all unrelated to engagement metrics (ps > 0.05). Application of BCTs within YouTube varies from traditional exercise interventions.
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