Which coefficient has been used to gauge the degree to which a test measures a single factor?
A) Pearson r
B) coefficient alpha
C) mean reliability
D) none of the above

Question

Quizplus · Accepted Answer

Coefficient alpha, also known as Cronbach's alpha, is widely used to estimate the reliability of a test, specifically in terms of its internal consistency, which is crucial for assessing whether a test measures a single factor or construct.

Which Coefficient Has Been Used to Gauge the Degree to Which