This is a test with multiple right answers. If you have a consistent model in your head (say, X=Y swaps the values of X and Y) and apply it through out, you ge

This is a test with multiple right answers. If you have a consistent model in your head (say, X=Y swaps the values of X and Y) and apply it through out, you get full marks. They found that it was people who were consistent who did well in the class.