```Date: Fri, 9 Jan 2009 13:10:17 -0600 Reply-To: "Swank, Paul R" Sender: "SPSSX(r) Discussion" From: "Swank, Paul R" Subject: Re: Repeated Measures ANOVA- different results Comments: To: amymay In-Reply-To: <21366164.post@talk.nabble.com> Content-Type: text/plain; charset="us-ascii" Perhaps we could be of more help if you gave us a little background on what pn and c1 represent and what did you do about the ci factor in the first analysis? Paul R. Swank, Ph.D Professor and Director of Research Children's Learning Institute University of Texas Health Science Center Houston, TX 77038 -----Original Message----- From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of amymay Sent: Thursday, January 08, 2009 10:43 PM To: SPSSX-L@LISTSERV.UGA.EDU Subject: Repeated Measures ANOVA- different results I am a little confused and I hope someone can help me. These are the results I get if I just use one within-suject factor BUT...... Tests of Within-Subjects Contrasts Measure: MEASURE_1 Source pn Sum of Squares df Mean Square F Sig. pn Linear 113.288 1 113.288 36.768 .000 pn * condition 7.587 2 3.793 1.231 .299 Error(pn) Linear 178.708 58 3.081 These are the results if I use 2 within-subject factors... Why are the SS so different for the same variable? HELP Tests of Within-Subjects Contrasts Measure: MEASURE_1 Source Sum of Squares df Mean Square F Sig. pn 58.525 1 58.525 37.727 .000 pn * condition3.240 2 1.620 1.044 .358 Error(pn) 89.973 58 1.551 ci 33.393 1 33.393 26.771 .000 ci * condition4.964 2 2.482 1.990 .146 Error(ci) 72.347 58 1.247 pn * ci 8.537 1 8.537 5.850 .019 pn * ci * condition 3.311 2 1.655 1.134 .329 Error(pn*ci) 84.640 58 1.459 ANY HELP ON THIS WOULD BE BEYOND GREATLY APPRECIATED -- View this message in context: http://www.nabble.com/Repeated-Measures-ANOVA--different-results-tp21366 164p21366164.html Sent from the SPSSX Discussion mailing list archive at Nabble.com. ===================== To manage your subscription to SPSSX-L, send a message to LISTSERV@LISTSERV.UGA.EDU (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD ===================== To manage your subscription to SPSSX-L, send a message to LISTSERV@LISTSERV.UGA.EDU (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD ```

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