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

This statement is not true. Validity is not necessarily impacted by the number of scale points. Other factors such as content validity and construct validity can also affect the validity of a measure.

Which of the Following Statements About the Number of Scale