Results of ANOVAs performed separately on each crossing region variable
| . | . | . | 3-way (perch and tunnel) . | . | . | ||
|---|---|---|---|---|---|---|---|
| Variable . | 2-way, 0° (perch) Diameter d.f.=6,18 . | 2-way, 1.6 cm (perch) Incline d.f.=4,12 . | Surface d.f.=1,3 . | `Diameter' d.f.=4,12 . | Surface × diameter d.f.=4,12 . | ||
| Ncr,max | 19.3 (<0.001) | 9.4 (0.001) | 208 (<0.001) | 108 (<0.001) | 45.6 (<0.001) | ||
| Ncr,min | 26.7 (<0.001) | 7.9 (0.002) | 4.5 (0.124) | 28.0 (<0.001) | 6.2 (0.006) | ||
| ΔNcr | 0.7 (0.676) | 2.5 (0.098) | 78.0 (0.003) | 27.1 (<0.001) | 21.3 (<0.001) | ||
| Vx,cr | 3.1 (0.030) | 1.6 (0.236) | |||||
| dcr | 1.1 (0.418) | 5.7 (0.008) | 33.9 (0.010) | 1.3 (0.337) | 5.6 (0.009) | ||
| αcr | 16.5 (<0.001) | 2.2 (0.134) | 43.7 (0.007) | 141 (<0.001) | 14.3 (<0.001) | ||
| . | . | . | 3-way (perch and tunnel) . | . | . | ||
|---|---|---|---|---|---|---|---|
| Variable . | 2-way, 0° (perch) Diameter d.f.=6,18 . | 2-way, 1.6 cm (perch) Incline d.f.=4,12 . | Surface d.f.=1,3 . | `Diameter' d.f.=4,12 . | Surface × diameter d.f.=4,12 . | ||
| Ncr,max | 19.3 (<0.001) | 9.4 (0.001) | 208 (<0.001) | 108 (<0.001) | 45.6 (<0.001) | ||
| Ncr,min | 26.7 (<0.001) | 7.9 (0.002) | 4.5 (0.124) | 28.0 (<0.001) | 6.2 (0.006) | ||
| ΔNcr | 0.7 (0.676) | 2.5 (0.098) | 78.0 (0.003) | 27.1 (<0.001) | 21.3 (<0.001) | ||
| Vx,cr | 3.1 (0.030) | 1.6 (0.236) | |||||
| dcr | 1.1 (0.418) | 5.7 (0.008) | 33.9 (0.010) | 1.3 (0.337) | 5.6 (0.009) | ||
| αcr | 16.5 (<0.001) | 2.2 (0.134) | 43.7 (0.007) | 141 (<0.001) | 14.3 (<0.001) | ||
Values are F (P). Subscript cr denotes crossing regions,and N, Vx, d and α are the number, mean forward velocity, distance and angle of crossing regions, respectively. PrefixΔ indicates change within one cycle. max and min denote maximum and minimum values observed within a cycle