Correlation coefficients can be used to establish
A) variance in common
B) reliability
C) both variance in common and reliability
D) neither variance in common nor reliability.

Question

Quizplus · Accepted Answer

Correlation coefficients can be used to establish both variance in common and reliability. Variance in common refers to the shared variance between two variables, which is what correlation measures. Reliability, especially in the context of psychometrics, can also be assessed through correlations, such as the correlation between test items or between different administrations of a test to assess its consistency.

Correlation Coefficients Can Be Used to Establish