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Date:         Tue, 6 Sep 2005 20:16:05 -0700
Reply-To:     Michael Healy <>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Michael Healy <>
Subject:      Re: Fractional factorial design
Comments: To:
In-Reply-To:  <003201c5b2e4$952e6320$045a0a3e@PortatileLuca>
Content-type: text/plain; charset="US-ASCII"

SPSS's conjoint module could tackle this. You could also try SYSTAT (30 day demo available at If you have the SAS IML procedure you can use their DOE software. Also try Sawtooth CVA software ( Mike on 9/6/05 6:12 AM, Luca Meyer at wrote:

> Hello, > > I am dealing with a full factorial model of dimension 2 x 3^2 x 4^4 x 5 = > 23.040 profiles I need to simplify to run a main-effect-only conjoint > analysis. Can any of you advice on how I can get the simplified fractional > factorial design by using SPSS? Or is there another software (possibly free- > or share-ware) that can be used for such a purpose? I have just downloaded > Fractional Design Expert and discovered it can handle up to a design of > maximum of 3^7 complexity.... > > Thanks, > > Luca > > > Mr. Luca MEYER > Survey research, data analysis & more: > Tel: +390122854456 - Fax: +390122854837 - Mobile: + 393394950021 > > "If you can't feed a hundred people, then feed just one." - Mother Teresa - >

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