Download LEGS program
Download GENOVA Suite programs
The GENOVA Suite of
computer programs for generalizability theory consists of GENOVA,
urGENOVA, and mGENOVA. The three programs are coordinated with
Brennan (2001), which provides an extensive treatment of
generalizability theory. Brennan (2001) can be purchased from the
publisher, Springer-Verlag (www.springer-ny.com).
It is strongly recommended that users of these programs consult
Brennan (2001) in order to interpret the output accurately.
There are complied
versions of GENOVA, urGENOVA, and mGENOVA for both Macintosh PowerPCs
and DOS/Windows-based PCs. Each of the programs in the GENOVA Suite
may be distributed to others without obtaining the permission of the
The folders for
each program contain a "readme" file, a manual in pdf format, the
application, and at least one sample input file. Questions concerning
these programs should be directed to Robert L. Brennnan, Center for
Advanced Studies in Measurement and Assessment, 297 Lindquist North,
University of Iowa, Iowa City, IA 52242 (Tel: 319-335-5405) (Fax:
The PC files are in
.zip format. They can be unzipped using various software including
WinZip (www.winzip.com) and PK
The Mac files are
in .sit format. These files require Stuffit Expander to extract the
contents. A free version of Stuffit Expander is available from
www.stuffit.com/win/index.html. (Stuffit can also expand
GENOVA is a ANSI
FORTRAN computer program for univariate generalizability analyses
with complete, balanced designs. It has both G study and D study
capabilities. GENOVA was designed by R. L. Brennan and coded by J. E.
Crick in the early 1980s. The file is large because the manual is a
pdf version of a scanned file.
(356 KB for
urGENOVA is an ANSI
C computer program for the estimation of variance components for
unbalanced random effects G study designs. The program does not have
D study capabilities. urGENOVA was designed and coded by R. L.
mGENOVA is an ANSI
C computer program for multivariate generalizability analyses for a
restricted class of designs. For these designs, the program has both
G study and D study capabilities. mGENOVA was designed and coded by
R. L. Brennan.
(320 KB for
book on "Generalizability Theory" provides a set of exercises for each
chapter, and Appendix I provides answers to about half of the
exercises. Answers to the remaining exercises are provided as a
separate pdf file in the "GT Other" folder. Also provided in this
folder is a pdf file containing errata for "Generalizability Theory".
In the future, this folder may contain additional files listing other
information that may be of interest to users of generalizability
Brennan, R. L.
(2001). Generalizability theory. New York: Springer-Verlag.