Abstract
Adolescents (n=47) in an 8-week summer program: k-means clusters combining perceived and device-measured PA showed “Overestimators” and “Underestimators” increased MVPA, while initially high-accurate actives declined; suggests tailoring strategies by perception–objective alignment.

Assistant Professor University of Oklahoma
Jeong-Hui Park, PhD, is a tenure-track Assistant Professor in the Department of Health and Exercise Science at the University of Oklahoma, following her doctoral training at Texas A&M University and postdoctoral research at The University of Texas MD Anderson Cancer Center.