One study showed that measures administered via telephone differed in what way from those that required people to fill out the questions on their own? (Hanmer, Hays, & Flyback, 2007)
A)They yielded lower health scores.
B)They yielded higher health scores.
C)They yielded more accurate health scores.
D)They yielded more variability in health scores.

Question

Quizplus · Accepted Answer

Telephone-administered measures often result in higher health scores compared to self-administered questionnaires, possibly due to the presence of an interviewer which might lead respondents to report more positively on their health.

One Study Showed That Measures Administered Via Telephone Differed in What