Which of the Following Statements Is True

Which of the following statements is true?

A) If a researcher was looking to test construct validity by showing how a measure can discriminate itself from other non-related constructs, support for this evidence would be demonstrated by strong negative correlations.
B) Construct validity is all-or-none; a measure is either construct valid or it is not.
C) If a measure changes from its original form (e.g., changing a balance test protocol) , it is important to test the construct validity of the modified measure.
D) Logical validity is best tested via the use of statistics.