Which of the following is NOT listed as one of the three types of reliability?

• A. Scorer reliability
• B. Temporal reliability
• C. Content reliability
• D. Predictive reliability

Answer: (D)

Understanding reliability means looking at how consistently scores hold up under different conditions. The three main ways we assess reliability are how consistently different scorers evaluate the same work (scorer reliability), how stable scores are over time when the same people take the test again (temporal reliability), and how consistently items within the test measure the same construct (often referred to as content or internal consistency reliability).

Predictive reliability isn’t a standard type of reliability. Predicting future outcomes is a matter of validity—specifically predictive validity—rather than reliability. Reliability is about consistency of scores, while validity is about whether those scores actually measure what they’re supposed to measure and predict. So the option describing predictive reliability is not a recognized type of reliability.