Diversity of verbs of substantive achievement standards for high school physics curriculum.
| Curriculum revision | No. of frequently used verbs(%) | CR3 (%) | Varieties | APV | VDI | ||||
| 1st ① | 2nd ② | 3rd ③ | Etc. | Total | |||||
| 1997(7th) | 49(42.6) | 13(11.3) | 6(5.2) | 44(38.3) | 115 | 61.7 | 18 | 6.4 | 15.7 |
| 2007 rev. | 32(42.1) | 19(25.0) | 12(15.8) | 13(17.1) | 76 | 82.9 | 9 | 8.4 | 11.8 |
| 2009 rev. | 94(65.7) | 33(23.1) | 7(4.9) | 9(6.3) | 143 | 93.7 | 8 | 17.9 | 5.6 |
| 2015 rev. | 40(51.3) | 8(10.3) | 7(9.0) | 23(29.5) | 78 | 70.5 | 16 | 4.9 | 20.5 |
| 2022 rev. | 27(27.0) | 16(16.0) | 14(14.0) | 43(43.0) | 100 | 57.0 | 22 | 4.5 | 22.0 |
| Sum | 186(36.3) | 112(21.9) | 76(14.8) | 138(27.0) | 512 | 73.0 | 35 | 14.6 | 6.8 |
* CR3(Concentration Ratio 3), APV(Average number of substantive achievement standards Per Verb = Total/Varieties), VDI(Verb Diversity Index = (Varieties/Total)×100)