Expected handedness for Gelasimus vocans is 95% or more right-handed
Observed handedness (based on raw totals across all data sets) is 97.77% right-handed, 2.23% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Williams & Heng (1981) | 256 | 7 | 0.973 | 0.027 | Right/left counts derived from reported totals and proportions |
| Rosenberg (2000) | 5 | 0 | 1.000 | 0.000 | |
| Green & Schochet (1972) | 167 | 12 | 0.933 | 0.067 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 21 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 6 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 12 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 12 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 11 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 35 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 8 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 8 | 1 | 0.889 | 0.111 | |
| Barnwell (1982) | 29 | 2 | 0.935 | 0.065 | |
| Barnwell (1982) | 5 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 2 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 3 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 115 | 2 | 0.983 | 0.017 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 32 | 1 | 0.970 | 0.030 | |
| Barnwell (1982) | 23 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 34 | 2 | 0.944 | 0.056 | |
| Barnwell (1982) | 8 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 9 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 715 | 14 | 0.981 | 0.019 | |
| Barnwell (1982) | 7 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 12 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 23 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 21 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 4 | 1 | 0.800 | 0.200 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 1 | 0 | 1.000 | 0.000 | |
| Barnwell (1982) | 3 | 0 | 1.000 | 0.000 | |
| Yamaguchi (1994) | 21 | 0 | 1.000 | 0.000 | |
| Yamaguchi (1994) | 99 | 3 | 0.971 | 0.029 | These are the individuals he had under the species Gelasimus vocans that are not clearly another species due to geography |
| Weis & Weis (2004) | 300 | 1 | 0.997 | 0.003 | Right-handed count is an underestimate: “Only one left-handed male was found among >300 males.” |