Chen-Guang Du

Cognitive flexibility as a bridge between depressive symptoms and problematic smartphone use in adolescents: A two-wave network analysis across depression-severity groups.

The co-occurrence of depressive symptoms and problematic smartphone use (PSU) in adolescents poses a growing public health concern, but its component-level conditional associations, cross-wave patterns, and variation across depression-severity groups remain insufficiently understood. Using a two-wave observational desi...