Minerals: Grade Chart
You can view a dynamic graph showing the percentage of grades in each category (Grade I, II, III, IV, V) for this project. To see which evidence analysis conclusion statements received a
particular grade, simply click on that part of the dynamic graph.
Grades are assigned to indicate the overall strength or weakness of evidence informing the conclusion statement. Grade I means there is Good evidence supporting the statement;
Grade II is Fair; Grade III is Limited; Grade IV is Expert Opinion; and Grade V is Not Assignable. For a more detailed explanation of the meaning of the grades,
[Note: If the pie-shaped graph does not appear on your screen, you may need to download Macromedia Flash. Click here for information about this free download.]