Table 2.
Performance on the three morpheme measures at Time 1 and Time 2 for BiTD and BiLL participants.
| Group | Composite accuracy measure†
|
Tense marker total |
TAP score |
||||
|---|---|---|---|---|---|---|---|
| Time 1 | Time 2 | Time 1 | Time 2 | Time 1 | Time 2 | ||
| BiTD | M | 63.52 | 66.62 | 2.43 | 4.95 | 4.41 | 9.31 |
| SD | 20.30 | 18.65 | 2.20 | 2.53 | 4.63 | 5.77 | |
| BiLL | M | 56.25 | 58.65 | 1.37 | 3.79 | 2.26 | 6.89 |
| SD | 29.64 | 19.34 | 2.11 | 2.35 | 3.96 | 5.03 | |
Note. BiTD n = 74; except †, n = 53. BiLL n = 19; except †, n = 10. BiTD = bilingual with typically developing language; BiLL = bilingual with low language skills; TAP score = tense and agreement productivity score.