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Reanalysis of data including only exam scores for questions where genus and family names were different (n = 46)
| VL-PI (% ± SE) | Other (% ± SE) | VL-PI − Other (%) | Significance | |
|---|---|---|---|---|
| Genus | ||||
| Photographs | 83 ± 3.2 | 52 ± 4.3 | 31 | p < 0.001 |
| Living plants | 82 ± 2.5 | 70 ± 3.3 | 12 | p = 0.001 |
| Family | ||||
| Photographs | 66 ± 4.2 | 51 ± 4.6 | 15 | p < 0.001 |
| Living plants | 72 ± 3.4 | 67 ± 3.7 | 5 | p = 0.173 |
