- 421 - D 1 2 3 1 3 • • • 2 3 0 No evidence 1 Beginning 20% (1-20%) (1-20%) 2 Basically Effectiveness 40% (21-40%) (21-40%) 3 Mature 60% (41-60%) (41-60%) 4 Advanced 80% (61-80%) (61-80%) 5 Role Model 100% (81-100%) (81-100%) 6 6.1 (3) 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5