Note: the psychometric programs are now available in R as part of the psych package in the personality-project.org/r respository. For a description of these programs and the user guides.

Stuffit compressed Self Extracting Archives

• VSS-Alpha-Iclust 4.5.1b
• VSS-Alpha-Iclust.hqx
• Note that people have been complaining about unexplained bugs in the 4.5 version. I am now distributing a perhaps more stable version of ICLUST-VSS-Alpha-IRT v 5.02b that includes a crude Item Response Theory component. (Self extracting, hqx file).
• PMC-General Experimental programs (write me)
• PMC-reaction time program -- object code (for help and a users manual, write me)