Confidence intervals
A) give a range of expected scores.
B) are set ranges of acceptable performance.
C) indicate item response theory.
D) are best when there is a wide interval of scores.

Question

Quizplus · Accepted Answer

A confidence interval is the range of scores with specific boundaries or limits based on the sample mean and its standard deviation. There is no identified limit to the range of an acceptable confidence interval; it is important to recognize that a narrower interval indicates a more precise score (Jewell, 2008).

Confidence Intervals