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AML:
The Alternative Minimum Level program written by Robert Gibbons
has been discontinued, but the methodology has been incorporated
into the Detect program (see below).
AUXAL:
Fast, comprehensive analysis of data from longitudinal growth
studies with an improved Windows interface.
BILOG
(BILOG-W): The first IRT program for Windows, BILOG
for Windows has recently been replaced by BILOG-MG
for Windows.
Detect:
Robert Gibbons' tool for the computation of detection and
quantification limit estimates is available now from Discerning
Systems, Inc.
EZChrom:
This software product for the analysis of chromatography data was originally published by Scientific Software, Inc, an unrelated company located in California. This company has been bought by Agilent, which now offers EZChrom at http://www.home.agilent.com/agilent/home.jspx?cc=US&lc=eng&cmpid=4533.
LISCOMP:
An early accessory to LISREL from over a decade ago, LISCOMP
has been discontinued.
LOGIMO:
This program for loglinear IRT modeling, formerly published
by iecProGAMMA, is out of print. ProGAMMA itself is no longer
in business, but many of its staff have moved on to found
the Science Plus Group.
Optimal
Design (OpDes): This program for power analysis is
available for free at Univ. of Michigan (William
T. Grant Foundation).
POLYFACT:
This proposed program for polytomous IRT was never published,
but has been referenced as "forthcoming" or "in
press" in past papers. In fact, it was eventually developed
internally at ETS and is not available commercially.
 
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