This program can be used to calculate classification accuracy statistics, reliable change indices, and measurement precision of observed and estimated test scores.
Classification accuracy statistics
Reliable change indices (see Hinton-Bayre, 2010)
Classical Test Theory
Psychometrics Calculator Copyright © 2013 Brandon Gavett. Built with LiveCode. Portions Copyright © 2000-2013 RunRev Ltd, All Rights Reserved Worldwide. Source code provided under the GNU General Public License.