Tong, Tingting, David Trafimow, Tonghui Wang, Cong Wang, Liqun Hu, and Xiangfei Chen. “The A Priori Procedure (APP) for Estimating Regression Coefficients in Linear Models”. Methodology 18, no. 3 (September 30, 2022): Article e8245. Accessed May 25, 2026. https://meth.psychopen.eu/index.php/meth/article/view/8245.