Validity is
A) concerned with the relationships of random error with systematic error.
B) equal to the true score plus the systematic error.
C) equal to the true score plus systematic error minus random error.
D) concerned with the extent to which differences in scores reflect true differences in the characteristic.
E) concerned with the extent to which differences in scores reflect instability in the measurements.

Question

Quizplus · Accepted Answer

Validity is concerned with the extent to which differences in scores reflect true differences in the characteristic being measured, rather than being due to errors or biases.

Validity Is