| about development | 15 | other |
| about their child’s vision | 7 | other |
| about to talk to their children | 6 | purpose |
| parent → have → concern | 32 |
| parent → express → concern | 12 |
| parent → become → concerned | 10 |
| parent → feel → concerned | 3 |
| parent → seem → concerned | 3 |
| negative | neutral | positive |
| 0.347 | 0.542 | 0.111 |
| Raw frequency | 60 |
| Normalized frequency | 0.656 |
| Modifier score | 0.629 |
| Perplexity | 83.707 |