Dr Williams Has Developed a Paper-And-Pencil Test to Assess Fear

Multiple Choice

Dr. Williams has developed a paper-and-pencil test to assess fear of heights. He gives the test to 50 research participants, whose scores range from 0 (no fear) to 100 (intense fear) . He finds that scores on the test have a correlation of only -0.25 with physiological measures of fear. Two months later, participants take the paper-and-pencil test again. The correlation between scores on this second paper-and-pencil test and scores on the first paper-and-pencil test is 0.95. This information suggests that Dr. Williams' test is __________.

A) reliable and probably valid
B) valid and therefore reliable
C) unreliable and not valid
D) probably not valid but reliable