0. The pair of terms incorrectly associated is:
Validity refers to how well a test measures what it's intended to measure, not its consistency. Reliability is about consistency.
Option A: IQ - relationship between MA and CA – Correct association; IQ = (Mental Age / Chronological Age) × 100.
Option B: validity - measure of consistency in testing – Incorrect; this defines reliability, not validity.
Option C: inkblot - projective testing – Correct; like the Rorschach test.
Option D: median - the middle score – Correct definition.