Table 1: Experimental situations submitted to each two volunteers, randomly.
Sequence |
T1 |
T2 |
T3 |
T4 |
A |
1 |
2 |
3 |
4 |
B |
4 |
3 |
2 |
1 |
C |
2 |
4 |
3 |
1 |
D |
1 |
3 |
2 |
4 |
E |
2 |
1 |
4 |
3 |
F |
4 |
3 |
1 |
2 |
T1 - Treatment 1; T2 - Treatment 2; T3 - Treatment 3; T4 - Treatment 4.