how to test for reliability when comparing irr to paired t test paired t test and intraclass correlation coefficient when to do interclass correlation test how to find intraclass correlation coefficient why use ICC and paired t t test why should i use paired t testing and intraclass correlation coefficient how to determine reliability on an interrater score how to determine the reliability of a barthel test when using cortical and paired t test what test measures the reliability of an a-bi score which t-test is used to test the interclass validity of an instrument? why use paired t test and intraclass correlation coefficient what is the difference between paired t test and intraclass correlation coefficient? why use the paired test and the intraclass correlation coefficient how to evaluate interclass reliability how to assess irr in a barthel why use paired t and intraclass correlation coefficient why use paired t-test and intraclass correlation coefficient what test is used to test interclass reliability