1. Swanson DB, Norcini JJ. Factors influencing the reproducibility of tests using standardized patients. Teaching and Learning in Medicine 1989;1:158–166.
2. Harden RM, Gleeson FA. Assessment of clinical competence using an objective structured clinical examination (OSCE). Medical Education 1979;133:41–54.
3. Robb KV, Rothman AI. The assessment of clinical skills in general internal medicine residents: Comparison of an objective structured clinical examination to a conventional oral examination. Annals of the Royal College of Physicians and Surgeons of Canada 1985;88:235–238.
4. Brennan RL. Elements of generalizability theory. American College Testing program, 1983.