A researcher finds an intraclass correlation coefficient of .10. Which one of the following reflects a correct interpretation of this?
A) The ICC is statistically significant at an alpha of .50
B) The probability of rejecting the null hypothesis when it is true is 10%
C) The proportion of variation in the outcome that is between groups is 10%
D) The within-group variation in the outcome is 10%

Question

Quizplus · Accepted Answer

The ICC, by definition, is the proportion of variance in the outcome that is between higher level units; in this case, an ICC of .10 indicates 10% of the proportion of variance in the outcome is between higher level units

A Researcher Finds an Intraclass Correlation Coefficient of