Nisbet, J., Adams, M., & Arthur, J.. (1980). A simple form of tailored testing. British Journal of Educational Psychology, 50, 301-303.

Nisbet, J., Adams, M., & Arthur, J.. (1980). A simple form of tailored testing. British Journal of Educational Psychology, 50, 301-303.

Seeley, L. C., Morton, M. A., & Anderson, A. A.. (1962). Exploratory study of a sequential item test. U.S. Army Personnel Research Office, Technical Research Note 129.

Bayroff, A. G., Thomas, J. J., & Anderson, A. A.. (1960). Construction of an experimental sequential item test (Research Memorandum 60-1). Washington DC: Personnel Research Branch, Department of the Army.

Angoff, W. H. Huddleston, E. M. (1958). The multi-level experiment: A study of a two-level test system for the College Board Scholastic Aptitude Test. Princeton NJ: Educational Testing Service.

Anastasi, A. (1953). An empirical study of the applicability of sequential analysis to item selection, 13, 3-13.

Armitage, P. (1950). Sequential analysis with more than two alternative hypotheses, and its relation to discriminant function analysis, 12, 137-144.