Do indicators produce consistent results in measuring a
as there are different forms of validity, there are
different forms of reliability.
you seeking consistency over time, over
observers, or across measures?
reliability refers to consistency over time:
what extent will a test at time t yield the
same results at time t+1?
research determines whether you value this type of
reliability refers to consistency across
what extent do different researchers produce
identical scores on indicators?
is especially important for research projects
dependent on team research.
also important when one researcher uses a
subjective method, such as content
consistency applies in using multiple indicators in an
"effects" model of measurement.
will measure scale reliability only in the sense of