Mike Cheung
2005-05-25 06:54:24 UTC
Dear all,
I have been using Mplus since Mplus 2. I would recommend it to others
because of its power on analyzing a variety of models. Another advantage
of using Mplus is its good support. There is a discussion forum
addressing questions related to Mplus. Questions are usually answered
within a day or two. Drs. Muthens are very helpful in solving many of my
problems related to Mplus.
Recently, I am disturbed by the "Annual Renewal Notice" by Mplus. It is
required to pay US$175 annually "to obtain product support, updates, and
upgrades" for that year. Moreover, “after Expiration date add 10% per
month to the total cost” for late submission. Does this mean that Mplus
will not provide support and update when there are bugs in Mplus 3.x if
I do not pay for this annual fee? By the way, the annual SAS license for
SAS/Base and SAS/STAT with support is only US$30 in my university!
This practice is quite different from my understanding that a (good)
software company should provide support, updates, and upgrades for its
software. I would be more than happy to pay more money for a new
version, say Mplus 4, later. However, I am quite reluctant and feel bad
to pay US$175 *annually*, which is free of charge for most software.
I know that there are quite a lot of people using Mplus in SEMNET. I
would like to see if my expectation on obtaining free support, updates
and (upgrades for Mplus 3.X) is reasonable or not.
Best,
Mike
--
---------------------------------------------------------------------
Mike W.L. Cheung Phone: (852) 2857-8621
Department of Psychology Fax: (852) 2858-3518
The University of Hong Kong E-mail: ***@hku.hk
HONG KONG Website: http://web.hku.hk/~mikewlch
---------------------------------------------------------------------
I have been using Mplus since Mplus 2. I would recommend it to others
because of its power on analyzing a variety of models. Another advantage
of using Mplus is its good support. There is a discussion forum
addressing questions related to Mplus. Questions are usually answered
within a day or two. Drs. Muthens are very helpful in solving many of my
problems related to Mplus.
Recently, I am disturbed by the "Annual Renewal Notice" by Mplus. It is
required to pay US$175 annually "to obtain product support, updates, and
upgrades" for that year. Moreover, “after Expiration date add 10% per
month to the total cost” for late submission. Does this mean that Mplus
will not provide support and update when there are bugs in Mplus 3.x if
I do not pay for this annual fee? By the way, the annual SAS license for
SAS/Base and SAS/STAT with support is only US$30 in my university!
This practice is quite different from my understanding that a (good)
software company should provide support, updates, and upgrades for its
software. I would be more than happy to pay more money for a new
version, say Mplus 4, later. However, I am quite reluctant and feel bad
to pay US$175 *annually*, which is free of charge for most software.
I know that there are quite a lot of people using Mplus in SEMNET. I
would like to see if my expectation on obtaining free support, updates
and (upgrades for Mplus 3.X) is reasonable or not.
Best,
Mike
--
---------------------------------------------------------------------
Mike W.L. Cheung Phone: (852) 2857-8621
Department of Psychology Fax: (852) 2858-3518
The University of Hong Kong E-mail: ***@hku.hk
HONG KONG Website: http://web.hku.hk/~mikewlch
---------------------------------------------------------------------