Date: Wed, 1 Jun 2011 09:47:16 -0700
Reply-To: jnk7711 <email@example.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: jnk7711 <firstname.lastname@example.org>
Subject: Kappa w/ unequal score ranges in SPSS 19
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Hi all -
I just upgraded to SPSS 19 and I went to run some syntax I wrote in SPSS 18.
In SPSS 18, I was unable to compute kappa when my raters had unequal score
ranges - that is, when the matrix for two raters was not symmetrical. For
example, if rater 1 used scores of 1, 2, 3, 4, and 5 but rater 2 only used
scores of 2, 3, 4, and 5 then SPSS 18 would not compute kappa. To compute
kappa, I added in dummy variables to create a symmetrical matrix.
It appears that in SPSS 19 this is not needed. That is, it appears that in
version 19 unequal score ranges are no longer an issue, and SPSS will
automatically correct for a non-symmetrical matrix.
I was hoping that someone else can confirm this for me - I have been having
trouble finding out whether or not this is the case.
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