Table 2.
Ongoing task (OT) and prospective memory (PM) task performance scores and DR score ratio, stratified by age group (n = 105).
| Age groups | 3-year-olds | 4-year-olds | 5-year-olds | Total |
|---|---|---|---|---|
| S-OT | 5.01 (0.87) | 6.48 (1.37) | 9.58 (1.12) | 6.98 (2.24) |
| A-OT | 0.81 (0.12) | 0.84 (0.11) | 0.89 (0.10) | 0.84 (0.12) |
| IR-tbPM | 0.10 (0.31) | 0.24 (0.44) | 0.67 (0.76) | 0.33 (0.58) |
| DR-tbPM | 0.55 (0.82) | 0.94 (1.09) | 1.22 (0.94) | 0.89 (0.98) |
| Total-tb | 0.65 (0.81) | 1.18 (1.13) | 1.89 (1.23) | 1.22 (1.16) |
| DR Ratio-tb (%) | 84.62 | 79.66 | 64.55 | 72.95 |
| IR-ebPM | 1.17 (1.20) | 1.53 (1.36) | 1.94 (0.90) | 1.54 (1.18) |
| DR-ebPM | 0.22 (0.55) | 0.20 (0.41) | 0.35 (0.49) | 0.26 (0.49) |
| Total-eb | 1.39 (1.38) | 1.73 (1.48) | 2.30 (0.99) | 1.80 (1.32) |
| DR Ratio-eb (%) | 15.83 | 11.56 | 15.22 | 14.44 |
S-OT: completion speed of the ongoing task; A-OT: completion accuracy of the ongoing task; IR-tbPM: immediate retrieval score in the tbPM task; DR-tbPM: delayed retrieval score in the tbPM task; IR-ebPM: immediate retrieval score in the ebPM task; DR-ebPM: delayed retrieval score in the ebPM task; Total-tb: sum of the immediate and delayed retrieval scores in tbPM; Total-eb: sum of the immediate and delayed retrieval scores in ebPM; DR Ratio-tb: DR score ratio in the tbPM task; DR Ratio-eb: DR score ratio in the ebPM task.