Date:         Wed, 9 Mar 2011 20:57:48 -0500
Reply-To:     R B <ryan.andrew.black@gmail.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         R B <ryan.andrew.black@gmail.com>
Subject:      Re: chi-square post-hoc tests
Comments: To: Bruce Weaver <bruce.weaver@hotmail.com>
In-Reply-To:  <1299712170453-3420116.post@n5.nabble.com>
Content-Type: text/plain; charset=ISO-8859-1

Hi Bruce.

Click on the link below and go to page 27:

http://support.spss.com/productsext/statistics/documentation/19/client/User%20Manuals/English/IBM%20SPSS%20Statistics%20Base%2019.pdf

Ryan

On Wed, Mar 9, 2011 at 6:09 PM, Bruce Weaver <bruce.weaver@hotmail.com> wrote:
> This is the second or third time I've seen someone mention z-tests under
> CROSSTABS.  I'm not familiar with that--is it new in v19?
>
> Thanks,
> Bruce
>
>
>
> Bridgette Portman wrote:
>>
>> That seems like so much extra work. What about the "compare column
>> proportions" option under "z-tests" in Crosstabs --> Cells? Is anyone
>> familiar with using this? If I am interpreting it right, it allows for the
>> kind of pairwise comparisons I'm trying to do, with the option for a
>> Bonferroni adjustment to the alpha level.
>>
>> Bridgette
>>
>>
>>> If one of the elements remains as 2 levels (e.g., 2 X 3), use logistic
>>> regression, with the 2-level variable as the outcome. Then use
>>> appropriate
>>> a priori contrasts to disentangle the df (2 df in the case of the 3 level
>>> variable).
>>>
>>> If none of the elements are 2 levels, then you need to consider a
>>> multinomial logistic regression.
>>>
>>> Joe Burleson
>>>
>>> -----Original Message-----
>>> From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of
>>> Bridgette Portman
>>> Sent: Wednesday, March 09, 2011 1:00 AM
>>> To: SPSSX-L@LISTSERV.UGA.EDU
>>> Subject: chi-square post-hoc tests
>>>
>>> I have another question.
>>>
>>> I'm confused about how to perform post-hoc tests for chi-square
>>> contingency tables larger than 2 x 2. I've been reading up on it in books
>>> and on the internet, and there seem to be two different methods advised.
>>> Some say to do multiple pairwise comparisons (2x2 tables) with a
>>> Bonferroni correction. Others say to look at the standardized residuals.
>>> I'm not sure which is the better way. Is there any easy way to perform
>>> posthoc tests on contingency tables in SPSS?
>>>
>>> Thanks,
>>> Bridgette
>>>
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>>
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>
>
> -----
> --
> Bruce Weaver
> bweaver@lakeheadu.ca
> http://sites.google.com/a/lakeheadu.ca/bweaver/
>
> "When all else fails, RTFM."
>
> NOTE: My Hotmail account is not monitored regularly.
> To send me an e-mail, please use the address shown above.
>
> --
> View this message in context: http://spssx-discussion.1045642.n5.nabble.com/Anova-SS1-vSS3-using-v-17-0-tp3412630p3420116.html
> Sent from the SPSSX Discussion mailing list archive at Nabble.com.
>
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=====================
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