Whether reliability or validity is more important depends on the purpose of
using a measurement. For applied settings, where the measure may be used to
make decisions affecting a person's life, validity is very important. In basic
research, just measuring something reliably can be most important. The fun
begins in trying to figure out what it means.
Michael T. Scoles, Ph.D.
Associate Professor of Psychology & Counseling
University of Central Arkansas
Conway, AR 72035
>>> [EMAIL PROTECTED] 03/26/06 10:23 AM >>>
As long as you discuss validity you should be in good shape.The problem with
texts and measuremeints
is that they spend too much on reliability and much on validity-constructive
and concurrent.Something can be reliable
but not valid;but if something is valid,it will be reliable.
Michael SWylvester'P_hD
As long as you address the concept of validity you should be in good
shape.Tests and Measurement texts too often emphasize
reliability.The problem with relability is that it demand a functional fixity
without taking into account other alternative
imports. Something can be reliable without it being valid;but if something is
valid,it will be reliable.So please examine carefuuly validity,conceptually and
concurrently.
Michael Sylvester,PhD
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