Table 3. Results of Tukey-Kramer Honest Significant Difference test of all Phase 1 results°.
| Overlap Joint Class byAdhesive Loading Agentand Substrate Condition | Group A | Group B | Group C | Group D | Group E | Group F | Mean AdhesiveFracture Energy(Joules/Meter2) | # OverlapJoints (n) |
| Silicon Dioxide - Rough Substrate | A | 39.89 | 5 | |||||
| GRD-Natural Yellow - Rough Substrate | A | B | 30.61 | 5 | ||||
| GRD-548 - Rough Substrate | B | 27.59 | 5 | |||||
| PT Primer-NaturalRed - Rough Substrate | B | 26.54 | 5 | |||||
| Gum Arabic Only - RoughSubstrate | B | 26.36 | 5 | |||||
| Coarse Specularite - RoughSubstrate | B | C | 23.93 | 6 | ||||
| P3-Natural Red - RoughSubstrate | B | C | D | 21.27 | 5 | |||
| Gum Arabic Only - SmoothSubstrate | C | D | 17.07 | 15 | ||||
| PT Primer-Natural Red -Smooth Substrate | D | 15.39 | 15 | |||||
| Coarse Specularite - SmoothSubstrate | D | 15.03 | 14 | |||||
| GRD-548 - SmoothSubstrate | D | E | 14.09 | 14 | ||||
| GRD-Natural Yellow -Smooth Substrate | E | F | 8.30 | 13 | ||||
| Silicon Dioxide - SmoothSubstrate | F | 7.79 | 16 | |||||
| P3-Natural Red - SmoothSubstrate | F | 6.54 | 15 |
°Classes not connected by the same letter are significantly different. q* = 3.421, α = 0.05, N = 138.