[R-sig-teaching] Cronbach's Alpha Values
Steven Stoline
sstoline at gmail.com
Tue Feb 21 15:54:52 CET 2017
Dear All:
I am using *alpha(data, **check.keys=TRUE) *to compute the Cronbach's
Alpha. I am using *check.keys=TRUE* to automatically reverse items.
*My question is: *how can I get the correlation tables (matrix) of the
reversed items as part of the R output.
thank you
steve
On Thu, Feb 9, 2017 at 1:37 PM, Jeremy Miles <jeremy.miles at gmail.com> wrote:
>
> Almost always that you've made a mistake and haven't reversed some items
> that should have been reversed. (Some software will do that automatically).
>
> Use check.keys=TRUE, and the alpha function (in the psych package) will
> automatically reverse items if that needs to be done.
>
> J
>
> On Thu, 9 Feb 2017 at 09:58 Steven Stoline <sstoline at gmail.com> wrote:
>
>> Dear All:
>>
>>
>> how to interpret the negative values of Cronbach's Alpha.
>>
>> *e.g.*, alpha = -0.229974 , alpha = -0.172835
>>
>>
>> thank you very much for your help.
>>
>>
>> with thanks
>> steve
>>
>> --
>> Steven M. Stoline
>> sstoline at gmail.com
>>
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>>
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>
--
Steven M. Stoline
sstoline at gmail.com
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