What does it mean if a test has a reliability of zero?
A)Scores fluctuate randomly from test to retest.
B)Test scores follow a normal distribution with a mean of zero.
C)People who do above average on the test will probably do above average on a retest.
D)The test has zero error of measurement.

Question

Quizplus · Accepted Answer

A test with a reliability of zero means that there is no consistency in the scores obtained upon repeated testing. The scores fluctuate randomly and, therefore, cannot be relied upon to provide a valid measure of the construct being measured.

What Does It Mean If a Test Has a Reliability