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Intraclass correlation Coefficient (ICC) Questions and Answers 100% Solved

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Intraclass correlation Coefficient (ICC) Questions and Answers 100% Solved What are the problems associated with the Pearson Product Moment Correlation Coefficient? Does not reflect agreement. The Pearson Correlation Coefficient can be measured only with 2 groups. -The Pearson (within a dat...

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  • September 7, 2024
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Intraclass correlation Coefficient (ICC)
Questions and Answers 100% Solved

What are the problems associated with the Pearson Product Moment Correlation
Coefficient? - answer Does not reflect agreement.

The Pearson Correlation Coefficient can be measured only with 2 groups.

-The Pearson (within a data set) cannot separate -out variance components
-due to error
-due to true differences

For the most part, the investigator needs to use a repeated-measures ANOVA to
acquire the values for the ICC

What is a Intraclass Correlation Coefficient (ICC)? - answer-ICC's are based on
*repeated measures designs* for Analysis of Variance (ANOVA).

-Usually the *same subject*; *different raters.

-It is a measure of agreement; *not* a measure of relationships

What are the ranges for a Correlation Coefficient (ICC) and how is this different from
Pearson Coefficients? – answer ICC can *range* between *.00 and 1.00*

This is different from *Pearson Correlation Coefficients*, which can range from *-1.00 to
+1.00*

How is ICC written out? - answer-ICC is written something like this:
ICC (3,3) or ICC (2,2) or something like that.

-*First number*- is the *model* of the ICC. (1 to 3)

*Second number*- is the *form* of the ICC (1 or k,
which is the number of raters or measures.)

What is Model 1 ? - answer-Basic form of intraclass correlation coefficient.

-Least used for reliability studies.

-Researchers use repeated measures ANOVA or one-way ANOVA for data

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