Table 3 Pairwise comparisons of the age of EPS versus the males they cuckolded for (A) all independent cases of EPP and (B) those cases where the exact age of both the males was known
|
Year |
EPS |
Cuckolded males |
Statistics |
|
| (A) |
2000 |
2.4 ± 1.1 |
1.9 ± 0.9 |
Z = –2.52, N = 45, P = 0.011 |
|
2001 |
2.6 ± 1.0 |
2.1 ± 1.3 |
Z = –2.23, N = 67, P = 0.024 |
| (B) |
2000 |
2.8 ± 1.3 |
2.1 ± 1.2 |
Z = –2.00, N = 18, P = 0.041 |
|
2001 |
2.7 ± 1.1 |
1.9 ± 1.2 |
Z = –2.01, N = 21, P = 0.046 |
|
Mean ages in years (±SD) are given, and statistics refer to Wilcoxon's signed-rank tests (see also Figure 1).