The Relationship between Problematic Social Media Use and Perceived Social Support: The Longitudinal Mediating Role of Compulsive Social Media Use

The study aims to explore the dynamic relationship between problematic social media use, perceived social support, and compulsive social media use. Sample information: The study used convenience sampling method and recruited 400 middle school students aged 15-22 from several middle schools in Jiangxi Province, China from April 2024 to October 2025.

Data collection is divided into three time points (T1, T2, T3). Measurement tool: Perceived Social Support Scale (PSSS); Compulsive Social Media Use Scale (CSMUS); The Social Media Disorder Scale (SMDS) Covariance: Includes gender and age information of participants. Data format and purpose: The data has been desensitized (excluding personal privacy information such as names) and is in Excel (. xlsx) format.