A researcher is interested in examining the association between how humorous children are and their school achievement. Two observers go to children's homes and judge children as "not funny at all," "slightly funny," or "very funny." Upon comparison of the observers' judgments, it is apparent that the observers have a high level of disagreement as to children's humour level. This measure of humour level has poor:
A) test-retest reliability.
B) interrater reliability.
C) internal validity.
D) interrater validity.

Question

Quizplus · Accepted Answer

The high level of disagreement between the observers suggests poor interrater reliability, meaning that the observers are not consistently and accurately measuring the same thing. Test-retest reliability refers to consistency of measurement over time, internal validity refers to how well a study is designed to eliminate alternative explanations for an observed relationship, and interrater validity is not a commonly used term in research.

A Researcher Is Interested in Examining the Association Between How