What is an acceptable intraclass correlation coefficient?
Under such conditions, we suggest that ICC values less than 0.5 are indicative of poor reliability, values between 0.5 and 0.75 indicate moderate reliability, values between 0.75 and 0.9 indicate good reliability, and values greater than 0.90 indicate excellent reliability.
What is single measure ICC?
Single measures: this ICC is an index for the reliability of the ratings for one, typical, single rater. Average measures: this ICC is an index for the reliability of different raters averaged together. This ICC is always higher than the Single measures ICC.
How to interpret a correlation co-efficient?
Interpreting Correlation Coefficients Discussion about the Scatterplots. Pearson’s Correlation Coefficients Measure Linear Relationship. Hypothesis Test for Correlation Coefficients. Interpreting our Height and Weight Correlation Example. Correlation Does Not Imply Causation. Taking Correlation to the Next Level with Regression Analysis.
Can ICC values be negative?
Apparently, the ICC can go negative, since the numerator involves a difference between two quantities. It probably means that you should use a different measure. I would estimate the between judge and within judge variation with a mixed effects model and look to see if there is a meaningful difference between the judges.
What is ICC value?
In statistics, the intraclass correlation, or the intraclass correlation coefficient (ICC), is a descriptive statistic that can be used when quantitative measurements are made on units that are organized into groups. It describes how strongly units in the same group resemble each other.
What is the coefficient of correlation?
Definition of Coefficient of Correlation. In simple linear regression analysis, the coefficient of correlation (or correlation coefficient) is a statistic which indicates an association between the independent variable and the dependent variable. The coefficient of correlation is represented by “r” and it has a range of -1.00 to +1.00.