Table 2C Trial 3 Trial Card Face Card Concentration Time (t) Rate Combination F/(F+N) x 100% (seconds) (cards/ min) 4F, 36 N e.g. 4 / 40 x 100% = 10% 4F, 16 N 20% 4F, 8N 33% VaUAWNE 4F, 4N 50% 4F, IN 80% 9F, IN 90% 12F, ON 100% Table 2D Average Rate of 3 trials Trial Card Face Card Concentration Average Rate Combination F/(F+N) x 100% (cards/min) 4F, 36 N e.g. 4 / 40 x 100% = 10% 4F, 16 N 20% N 3 4F, 8N 33% 4F, 4N 50% 4F, IN 80% J au 9F, IN 90% 12F, ON 100%