Table 1 Reaction times (in milliseconds) for all conditions in Experiment 2a with the difference between single- and dual-task conditions expressed by dual-task costs (DTcost)
From: The impact of predictability on dual-task performance and implications for resource-sharing accounts
Task type | Single task | Dual task | DTcost | 95% confidence interval | |
|---|---|---|---|---|---|
M (SD) | M (SD) | Lower | Upper | ||
Random | 479 (50) | 529 (47) | − 10.35%** | − 68.020 | − 31.019 |
Sequenced | 328 (96) | 355 (94) | − 8.36%* | − 47.200 | − 7.558 |