Professor Lum asked respondents, "How old are you?" Later in the interview Lum asked, "What is your date of birth?" This illustrates that Lum was interested in the ________ of the measurement.
A) face validity
B) validity
C) precision
D) reliability

Question

Professor Lum asked respondents, "How old are you?" Later in the interview Lum asked, "What is your date of birth?" This illustrates that Lum was interested in the ________ of the measurement.​
A) ​face validity
B) ​validity
C) ​precision
D) ​reliability

Quizplus · Accepted Answer

Asking the same question in two different ways (age and date of birth) and expecting consistent answers illustrates an interest in the reliability of the measurement. Reliability refers to the consistency and stability of the measurement over time.

Professor Lum Asked Respondents, "How Old Are You?" Later in the Interview