Table 1. Mean VOTs (ms) and their ranges in parentheses of the three stops in Korean from 1964’s to 2017’s findings
| Tense | Lax | Aspirated | VOTasp-lax |
| Lisker & Abramson (1964) | 12 (0–35) | 30 (10–65) | 103 (65–200) | 73 |
| Kim (1965) | 12 (9–15) | 35 (23–45) | 93 (90–98) | 58 |
| Han & Weitzman (1970) | 7 (0–52) | 30 (10–80) | 107 (40–148) | 77 |
| Kim (1995) | 11 (7–14) | 64 (31–108) | 115 (88–158) | 51 |
| Cho et al. (2002) | 21 | 58 | 113 | 55 |
| Kang & Guion (2008) | 11 | 63 | 68 | 5 |
| Oh (2011) | 15 (9–24) | 52 (32–75) | 70 (39–97) | 18 |
| Kim (2014) | 15 (5–48) | 71 (14–146) | 83 (28–145) | 12 |
| Kim (2017) | 13 (10–15) | 69 (14–153) | 79 (29–143) | 10 |