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Re: st: Reliability/ Factor analysis commands


From   "Jeremy Miles" <jeremy.miles@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Reliability/ Factor analysis commands
Date   Fri, 23 Feb 2007 13:26:08 -0800

On 23/02/07, Vanessa Mahlberg <vmahlberg@netcologne.de> wrote:
Hi,

I´m a German student doing her diploma thesis in Human Resources
Management. I´ve got 2 questions.
1. I would like to do a reliability analysis with Spearman Brown. (I
have already calculated Cronbach´s Alpha). I only found the command
"Spearman´s rank correlation".
Can anybody please help me to get the reliability coeffizient
(Spearman_Brown)
Spearman Brown is a prophecy formula.  It predicts what alpha would
be, if you had a different number of items in your scale.

You can read about it in any decent book on psychometrics, and if you
type it into Google, you'll find:
http://en.wikipedia.org/wiki/Spearman-Brown_prophecy_formula


2. How can I use a factor analysis with stata.I dont´t know the command.

It would be very kind if anybody could help me.
-factor-
Try:
-help factor-

Jeremy

Kind regards
Vanessa
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--
Jeremy Miles
Learning statistics blog: www.jeremymiles.co.uk/learningstats

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