Table 4.
Analysis of Variance for Repeated-Measures and Subsequent Pair-Wise Comparisons for Effects of the Speeded Task on Running and Fixed-Length List Memory Span
| Exp | Rate | Dual Task |
ANOVA | Pair-wise comparisons | |||||
|---|---|---|---|---|---|---|---|---|---|
| df | dferror | F | MSE | cont-anti | cont-pro | anti-pro | |||
| Running Memory Span | |||||||||
| 1a | fast | none | 2 | 46 | 7.11* | .03 | .46* (.13) | .11 (.11) | .34* (.13) |
| 1b | slow | none | 2 | 40 | 1.41 | .83 | .32 (.22) | .46 (.25) | .14 (.36) |
| 1c | slow | co-art | 2 | 40 | 3.80* | .38 | .48* (.19) | .42* (.23) | .06 (.14) |
| slow | tap | 2 | 40 | 5.84* | .42 | .68* (.20) | .26 (.24) | .42* (.16) | |
| 1d | fast | co-art | 2 | 34 | 3.72* | .16 | .31* (.15) | .37* (.14) | .06 (.11) |
| fast | tap | 2 | 34 | 6.46* | .14 | .41* (.14) | .36* (.11) | .05 (.12) | |
| Fixed-Length List Memory Span | |||||||||
| 2a | slow | co-art | 2 | 34 | 6.03* | .66 | .94* (.33) | .50* (.15) | .44* (.30) |
| slow | tap | 2 | 34 | 2.47 | .21 | .30 (.19) | .28 (.15) | .02 (.11) | |
| 2b | fast | co-art | 2 | 34 | 12.42* | .20 | .68* (.17) | .54* (.14) | .14 (.12) |
| fast | tap | 2 | 34 | 3.57* | .24 | .43* (.16) | .28* (.14) | .14 (.14) | |
| 2c | fast | none | 2 | 38 | 6.60* | .14 | .39* (.13) | .33* (.12) | .06 (.10) |
| slow | none | 2 | 38 | 2.26 | .12 | .26 (.11) | .21 (.12) | .06 (.09) | |
p < .05. Standard deviations in parentheses.
Note. “Exp” = experiment. “Anti”, “Pro”, and “Cont” = the anti-press, pro-press, and speeded-task control condition, respectively. “Co-art” and “Tap” = the co-articulation and knee tapping dual-task conditions, respectively.