There are three common means of obtaining a reliable measure.
But the researchers say their work shows that life span isn't always such a reliable measure.
Any instrument used in language assessments needs to provide reliable measures.
In a reliable measure, all items should correlate well with the average of the others.
But a collection's size is hardly a reliable measure of its importance.
For all the others, the total pools of supporters were too small to provide a reliable measure.
The answer may be that Enron's board knows those numbers are not reliable measures of performance.
A single day's Profile does not provide a reliable measure of market condition (3).
Even within the same ethnic group, there are no reliable measures to determine important cultural differences.
I am not convinced that economic indicators are a reliable measure of social reality.