Brennan, R. L.Some statistical problems in the evaluation of self-instructional programs. (Doctoral dissertation, Harvard University) Ann Arbor: University Microfilms, 1970.
2.
Bridgman, C. S.The relation of the upper-lower item discrimination index, D., to the bivariate normal correlation coefficient . EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1964, 24, 85-90.
3.
Ebel, R. L.How an examination service helps college teachers to give better tests. Proceedings of the 1953 Invitational Conference on Testing Problems. Princeton: Educational Testing Service, 1954. (a)
4.
Ebel, R. L.Procedures for the analysis of classroom tests. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT , 1954, 14, 352-353. (b)
5.
Engelhart, M. D.A comparison of several item discrimination indices. Journal of Educational Measurement , 1965, 2, 69-76.
6.
Findley, W. G.A rationale for evaluation of item discrimination statistics. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1956, 16, 175-180.
7.
Flanagan, J. C.Units, scores and norms. In E. Lindquist (Ed.), Educational measurement. Washington: American Council on Education, 1951.
8.
Glaser, R. and Klaus, D. J.Proficiency measurement: Assessing human performance . In R. Gagne (Ed.), Psychological principles in system development. New York : Holt, Rinehart, and Winston, 1963.
9.
Johnson, A. P.Notes on a suggested index of item validity: the U-L index. Journal of Educational Psychology , 1951, 42, 499-504.
10.
Kelley, T. L.The selection of upper and lower groups for the validation of test items. Journal of Educational Psychology, 1939, 30, 17-24.
11.
Long, J. A., Sandiford, P., et al.The validation of test items. Bulletin No. 3, Dept. of Educational Research, University of Toronto, Toronto, 1935, 94-95.
12.
Popham, W. J. and Husek, T. R.Implications of criterion-referenced measurement, Journal of Educational Measurement, 1969, 6, 1-9.