Table 2.
Average performance (% correct) on the word-learning task for each block of ten trials (total of 80 trials). Data are shown for the 5-6 year children receiving immediate reinforcement and for the 7-14 year olds receiving delayed reinforcement
| Block of 10 Trials | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| 5-6 year olds (immediate reinforcement) | |||||||||
| NHC (n=12) | Mean | 39 | 26 | 30 | 29 | 25 | 40 | 39 | 35 |
| (SD) | (16) | (15) | (22) | (16) | (23) | (18) | (24) | (27) | |
| HIC (n=4) | Mean | 47 | 37 | 22 | 20 | 15 | 17 | 22 | 15 |
| (SD) | (17) | (15) | (18) | (14) | (19) | (12) | (12) | (12) | |
| 7-14 year olds (delayed reinforcement) | |||||||||
| NHC (n=48) | Mean | 65 | 62 | 58 | 56 | 57 | 65 | 70 | 60 |
| (SD) | (27) | (24) | (29) | (27) | (29) | (30) | (25) | (28) | |
| HIC (n=33) | Mean | 40 | 44 | 41 | 40 | 37 | 42 | 49 | 45 |
| (SD) | (30) | (29) | (28) | (31) | (31) | (31) | (30) | (29) | |