Table 1 This study including two sets, with 4 cases in each set and 3 groups in each case
Sets | Group of thickness (Unit: mm) | d = 0.2 | d = 0.5 | d = 1 | |||
|---|---|---|---|---|---|---|---|
Inter-comparison | Case1_1 | â–³P =5 | â–³P =5 | â–³P =5 | |||
Case2_1 | â–³P =10 | â–³P =10 | â–³P =10 | ||||
Case3_1 | â–³P =15 | â–³P =15 | â–³P =15 | ||||
Case4_1 | â–³P =20 | â–³P =20 | â–³P =20 | ||||
Chain-comparison | Case1_2 | â–³P =5 | â–³P =5 | â–³P =5 | â–³P =5 | â–³P =5 | â–³P =5 |
Case2_2 | â–³P =10 | â–³P =5 | â–³P =10 | â–³P =5 | â–³P =10 | â–³P =5 | |
Case3_2 | â–³P =15 | â–³P =5 | â–³P =15 | â–³P =5 | â–³P =15 | â–³P =5 | |
Case4_2 | â–³P =20 | â–³P =5 | â–³P =20 | â–³P =5 | â–³P =20 | â–³P =5 | |