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Data Review

Data Review is the process of preparing assessment data to be analyzed and reported.
In this video we demonstrate the basics of reviewing data in ARM.


The primary tool for data review in ARM is the Column Diagnostics panel. 
The Diagnostics table displays the p-value results of the tests for assumptions of AOV.
The Recommendations table provides a summary of the 4 assumption tests,
and makes a recommendation for an action (if needed).
The Action Code 'IID' indicates the column has been reviewed but no corrections were necessary.
For a deeper look at the data, generate diagnostic graphs for visualization.
Non-parametric statistics are an alternative when transformations fail to fit the AOV assumptions.


Data Review.pdf - Contains the script and screenshots from this video tutorial.

Related Videos

Statistics and ARM Overview - An introduction to statistics in ARM; please view this video before proceeding with the above content!