Author: Klaus E. Liebold, National Institute of Mental Health, St. Elizabeth's Hospital, Washington, D. C.

These three programs written in FOCAL-12 will perform the nonparametric Mann-WhItney U Test. For samples in which N2 Is larger than 20, a Z-value will be calculated and the correction for ties applied to the sampling distribution of U. Theoretically there Is no limit to the number of scores which can be analyzed.

Minimum Hardware: PDP-12, VR12 scope, TU56 tape drive

Storage Requirement: 8K

Restrictions: Extended functions must be deleted

Source Language: FOCAL

Catalog: December 1974