Tri/Tet Skewness Method
When selecting Skewness on the Report Quality Measure panel, you can select the Tri/Tet Skewness Method.
The two options are as follows:
Equilateral Volume Deviation:
Calculated based on the inscribed circle of the cell (only valid for triangles and tetrahedrons)
Normalized Equiangle Deviation:
Calculated based on the angle of the cell (valid for all cells i.e. pyramids, prisms, etc.)