While Selecting a Test to Use in His Private Practice,Kent

Multiple Choice

While selecting a test to use in his private practice,Kent discovered that a particular test was not very consistent or stable over time.In other words,a test-taker's score varied each time he or she took it.Kent can most likely infer that:

A) the test is biased
B) the test has a poor evidence of validity
C) the test makers did not use an appropriate norming sample
D) the test has poor evidence of reliability