Evans, R. C. and Westbrook, B. W.A FORTRAN program for generalized item analysis using IBM 1230 punched output. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT , 1968, 28, 849-850.
2.
Games, P. A.SCORIT—a FORTRAN program for scoring and item analysis of porta-punch test cards. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1965, 25, 881-884.
3.
Gorsuch, R. L.A FORTRAN item analysis program for items scored on a categorical or interval basis. EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1966,26,179-183.
4.
Moore, J. C. and Schutz, R. E.An item and test analysis program used in conjunction with the IBM 1230 optical mark scoring reader and IBM 534 card punch attachment . EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1967,27,171-174.