Number of items per test = 15

• 0 mistakes = 100%

• 1 mistake = 93%

• 2 mistakes = 87%

• 3 mistakes = 80%

• 4 mistakes = 73%

• 5 mistakes = 67%

• 6 mistakes = 60%

• 7 mistakes = 53%

• 8 mistakes = 47%

• 9 mistakes = 40%

• 10 mistakes = 33%

• 11 mistakes = 27%

• 12 mistakes = 20%

• 13 mistakes = 13%

• 14 mistakes = 7%

• 15 mistakes = 0%