1. Recent Research in Reinterview Procedures
2. Are there Two Regressions?
3. Ph.D. thesis;Chai John J.,1968
4. Chai, John J. 1969. “The Bias of the Ordinary Least Squares Estimator of the Regression Coefficient for a Finite Bivariate Population When Both Variables Are Subject to Correlated Measurement Errors,”. 1969 Proceedings of the Social Statistics Section, American Statistical Association. August1969, New York. Vol. 433, pp.53