Dr. Washington has developed a paper-and-pencil test to assess fear of heights. He gives the test to 50 study participants. Two months later, participants take the paper-and-pencil test again. The correlation between scores on this test and scores on the first paper-and-pencil test is 0.95. In other words, the scores are consistent. This information suggests that Dr. Williams' test may have _____________.
a) High reliability
b) Low validity
c) Test bias
d) Low reliability