Number of items per test = 12

• 0 mistakes = 100%

• 1 mistake = 91%

• 2 mistakes = 83%

• 3 mistakes = 75%

• 4 mistakes = 67%

• 5 mistakes = 58%

• 6 mistakes = 50%

• 7 mistakes = 41%

• 8 mistakes = 33%

• 9 mistakes = 25%

• 10 mistakes = 17%

• 11 mistakes = 9%

• 12 mistakes = 0%