Table 1.
Demographic characteristics of children in the analyses.
| n | Race/ethnicity | |||||||
|---|---|---|---|---|---|---|---|---|
| Task and age group |
Total | Female (%) |
Age in years [M (SD)] |
Hispanic (%) |
Caucasian (%) |
African American (%) |
Asian (%) |
Other (%) |
| Fear acquisition and extinction | ||||||||
| 5–6 years | 20 | 50.00 | 5.91 (0.57) | 0 | 68.4 | 15.8 | 5.3 | 10.5 |
| 7–8 years | 20 | 55.00 | 8.04 (0.58) | 0 | 88.2 | 5.9 | 0 | 5.9 |
| 9–10 years | 19 | 57.00 | 10.10 (0.51) | 0 | 94.4 | 0 | 0 | 5.6 |
| Extinction recall | ||||||||
| 5–6 years | 15 | 53.33 | 5.92 (0.56) | 0 | 80.0 | 13.3 | 6.7 | 0 |
| 7–8 years | 15 | 60.00 | 8.03 (0.64) | 0 | 86.7 | 6.7 | 0 | 6.7 |
| 9–10 years | 18 | 55.56 | 10.07 (0.51) | 0 | 94.4 | 0 | 0 | 5.4 |