Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3.Where would we expect Tom's true score to fall 99.5 percent of the time?

Question

Quizplus · Accepted Answer

The true score is expected to fall within a range determined by the standard error of measurement. For a 99.5% confidence interval, we use approximately 3 standard errors (since 99.5% is close to 3 standard deviations in a normal distribution). Thus, the range is 72 ± 3*3, which is 63 to 81.

Joe Had a Score of 72 on the Counseling Aptitude