Table 3 Participant characteristics (experiment 2). Participants V02 and V03 and participants V10 and V19 are sets of twins. Testing took place within one month of participation in the experimental task
ID | Age | Sex | List | Macarthur Bates communicative development inventories: raw scores | Mullen scales of early learning: raw score (T-score) | ||
|---|---|---|---|---|---|---|---|
Visual reception | Receptive language | Expressive language | |||||
V01 | 26.5 | M | 1 | 0 | 12 (20) | 10 (< 20) | 10 (< 20) |
V02 | 26.8 | M | 1 | 20 | 21 (34) | 11 (20) | 14 (28) |
V03 | 26.8 | M | 1 | 0 | 24 (43) | 16 (27) | 14 (28) |
V04 | 33.6 | M | 1 | 85 | 39 (66) | 34 (62) | 35 (65) |
V05 | 40.3 | M | 1 | 31 | 31 (35) | 27 (34) | 16 (< 20) |
V06 | 42.9 | M | 1 | 74 | 32 (47) | 31 (45) | 40 (53) |
V07 | 44.6 | M | 1 | 85 | 32 (28) | 34 (44) | 32 (39) |
V08 | 44.7 | M | 1 | 80 | 45 (61) | 41 (59) | 30 (34) |
V09 | 48.1 | M | 1 | 75 | 45 (56) | 31 (32) | 28 (25) |
V10 | 56.1 | F | 1 | 54 | 29 (< 20) | 27 (< 20) | 27 (< 20) |
V11 | 33.7 | M | 2 | 77 | 30 (48) | 36 (67) | 31 (56) |
V12 | 35.5 | F | 2 | 89 | 21 (20) | 34 (56) | 36 (61) |
V13 | 36.8 | M | 2 | 63 | 40 (63) | 30 (45) | 27 (40) |
V14 | 40.4 | M | 2 | 29 | |||
V15 | 41.5 | M | 2 | 28 (21) | 26 (25) | 18 (< 20) | |
V16 | 42.4 | M | 2 | 67 | 31 (30) | 28 (32) | 29 (36) |
V17 | 45.3 | M | 2 | 97 | 44 (63) | 40 (61) | 40 (59) |
V18 | 51.1 | M | 2 | 26 (< 20) | 30 (26) | 31 (29) | |
V19 | 56.1 | F | 2 | 87 | 34 (20) | 32 (24) | 30 (20) |
V20 | 64.6 | M | 2 | 99 | 50 (56) | 48 (54) | 48 (51) |