Phuong, L.N. and Anh, N.M. 2026. A Monte Carlo Simulation Study of the Psychometric Validation Strategy for the Residual Abandonment Index (RAI) . RA Journal of Applied Research. 12, 10 (Oct. 2026), 683–693. DOI:https://doi.org/10.47191/rajar/v12i10.05.