Which of the following statements about the number of scale points is NOT true?
A) Reliability increases as the number of scale points increase
B) Validity decreases as the number of scale points increase
C) Larger numbers of scale points provide the ability to extract more variance
D) Larger numbers of scale points increase accuracy in unidimensional scales
E) Additional scale points increase measurement sensitivity

Question

Quizplus · Accepted Answer

Validity is not directly related to the number of scale points. Validity depends on the extent to which a measure assesses the underlying construct it was intended to assess. Therefore, the statement "Validity decreases as the number of scale points increase" is not true.

Which of the Following Statements About the Number of Scale