Hi Vito Thank you so much for your help I really appreciate it! I have a 4x4 table for one task and a 4x3 Table for the second task.
Thanks Debbie On Tue, Jan 18, 2011 at 2:18 PM, Vito Muggeo (UniPa) <vito.mug...@unipa.it>wrote: > It appears that you have a 2x2 table coming from paired binary data.. > > If this is the case the McNemar test is appropriate. > See > ?mcnemar.test > > or even better the package exact2x2, function mcnemar.exact() for an > "exact" approach, > > vito > > > > > Il 18/01/2011 14.40, debz ha scritto: > >> >> Hi I was wondering whether anyone can help me with this problem....it's >> been >> driving me nuts, I've been trying to figure it out for months and months >> without success!! Basically I have a group of participants who attended 2 >> experimental sessions a few months apart. I took measures of the way they >> approach two tasks at Time 1 and the same two tasks at Time 2. I have >> categorical data (a frequency table for each task) consisting of the goal >> profiles that participants adopted at Time 1 and at Time 2. I would like >> to >> test whether there is a significant difference between the goal profiles >> that participants adopted at Time 1 and Time 2. Is Fisher's exact test the >> test to use in this case? >> >> I would really really appreciate any help!! >> >> Thanks >> >> >> Debbie >> > > -- > ==================================== > Vito M.R. Muggeo > Dip.to Sc Statist e Matem `Vianelli' > Università di Palermo > viale delle Scienze, edificio 13 > 90128 Palermo - ITALY > tel: 091 23895240 > fax: 091 485726/485612 > http://dssm.unipa.it/vmuggeo > ==================================== > [[alternative HTML version deleted]]
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