Dear Haytham,
other issue concern with a measure of the latent construct is the
unidimensionality. Hair et alli(1998): "unidimensionality is an assumption
underlying the calculation of reliability and is demonstraded when
indicators of a construct have acceptable fit on a
single-factor(one-dimensional) model.(...) The use of reliability measures,
such Cronbach�s alpha, does not ensure unidimensionality but instead assumes
it exists. The researcher is encouraged to perform unidimensionality tests
on all multiple-indicator constructs before assessing their reliability."
This reference is very important:
Gerbing, David W., Anderson, James C. An updated paadigm for scale
development incorporating unidimensionality and its assesment.
Best regards,
Alexandre Moura.
P.S. Please accept my apologies for my English mistakes.
----- Original Message -----
From: "haytham siala" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, June 15, 2001 5:40 PM
Subject: Factor Analysis
> Hi,
> I will appreciate if someone can help me with this question: if factors
> extracted from a factor analysis were found to be reliable (using an
> internal consistency test like a Cronbach alpha), can they be used to
> represent a measure of the latent construct? If yes, are there any
> references or books that justify this technique?
>
>
>
>
>
>
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