Table 1. TCSA values and statistical results for archaeological, experimental, and ethnographic points.
| n | Min | Max | Mean (SD) | Median (IIQ) | Versus Mandrin points | Versus Mandrin micro/nanopoints | Source | |
|---|---|---|---|---|---|---|---|---|
| Mandrin points | 127 | 12 | 175 | 56.3 (34.7) | 50 (33–70) | <2.2 × 10−16, P < 0.05 | This study | |
| Mandrin micro/nanopoints | 86 | 3 | 98 | 19.5 (14.9) | 16.50 (10–24) | This study | ||
| Ethnographic arrowheads | 118 | 7.9 | 145.8 | 32.53 (20) | 29.87 (22–38) | 2.165 × 10−12, P < 0.05 | 9.689 × 10−13, P < 0.05 | (21) |
| Experimental arrowheads | 50 | 7 | 99 | 30.79 (19.8) | 26.75 (16.5–40.4) | 3697 × 10−8, P < 0.05 | 0.0001, P < 0.05 | This study |
| Experimental lightweight Javelin | 29 | 47.5 | 216 | 89.72 (39.7) | 75 (63–104) | 1.528 × 10−16, P < 0.05 | 8.118 × 10−15, P < 0.05 | (22, 38) |
| Experimental dart tips | 23 | 20 | 87.5 | 52.8 (20) | 52.8 (37.5–64.5) | 0.6669, P > 0.05* | 3.81 × 10−10, P < 0.05 | This study |
| Ethnographic dart tips | 40 | 20.3 | 94.3 | 57.9 (18) | 60.3 (44.7–69.2) | 0.09108, P > 0.05* | 5.547 × 10−16, P < 0.05 | (21) |
| Ethnographic dart tips | 103 | 66.6 | 488.4 | 240.02 (101.5) | 240.7 (172.3–315.2) | <2.2 × 10−16, P < 0.05 | <2.2 × 1016, P < 0.05 | (23) |
| Experimental thrusting/hand-cast | 36 | 50 | 392 | 165.8 (80.7) | 148.5 (123.0–189) | 6.53 × 10−15, P < 0.05 | <2.2 × 1016, P < 0.05 | (21), This study |
| Experimental thrusting spear tips | 47 | 46 | 406 | 153.9 (61.7) | 143.5 (119.5–169) | <2.2 × 1016, P < 0.05 | <2.2 × 1016, P < 0.05 | (38) |
| n | Min | Max | Mean (SD) | Median (IIQ) | P value | |||
| Mandrin micropoints | 49 | 3.5 | 98 | 22.28 (15.8) | 19 (15–27) | 0.003, P < 0.05 | ||
| Mandrin nanopoints | 37 | 3 | 72.5 | 15.77 (12.9) | 12 (9–18) | |||
*There is no significant TCSA difference between ethnographical dart tips from Shea and experimental dart tips from Initiarc and Mandrin E points.