Table 1
Stimulus types and associated response mappings for each event A and event B stimulus, respectively.
| EVENT A | EVENT B | |||||
|---|---|---|---|---|---|---|
| STIMULUS | * < | < * | * > | > * | C | S |
| Response Hand | Left | Left | Right | Right | Left | Right |
| Keys | Center Up Center | Center Down Center | Center Up Center | Center Down Center | Center Center | Center Center |

Figure 1
The figure shows the order of PR tasks and S-R training tasks across sessions with a breakdown of blocks for each task. The amount of practice for each S-R mapping was as follows: Session 1 represented no previous S-R practice, session 6 represented a moderate amount of S-R practice (1200 trials for each event B stimulus, S and C; 600 trials for each event A stimulus, 4 different arrowhead-asterisk combinations), and session 11 represented extensive S-R practice (2460 trials for each event B stimulus, S and C; and 1230 total trials for each event A stimulus, 4 different arrowhead-asterisk combinations).

Figure 2
The sequence of trial events for the partial repetition (PR) task. The frames in the center and on the left represent the trials in which participants planned and retained an action for event A (plan trials). The frames in the center and on the right represent the trials in which no action was planned to event A (no plan, control trials).

Figure 3
The sequence of trial events for the S-R training task. The sequence for the event A stimulus blocks is shown in the central and left frames. The sequence for the event B stimulus blocks is shown in the central and right frames.
Table 2
S-R training trials: One-way, repeated-measures ANOVAs with the factor of training session were conducted separately on response reaction times (RT) and error rates for each action B and action A response type.
| RESPONSE TYPE | FACTOR | SIGNIFICANCE | ηP2 |
|---|---|---|---|
| MEDIAN CORRECT RT | |||
| action B, left | Session | F(8, 104) = 6.20, p < .001 | 0.32 |
| action B, right | Session | F(8, 104) = 5.22, p = .001 | 0.29 |
| action A, left up | Session | F(8, 104) = 15.22, p < .001 | 0.54 |
| action A, left down | Session | F(8, 104) = 20.14, p < .001 | 0.61 |
| action A, right up | Session | F(8, 104) = 14.20, p < .001 | 0.53 |
| action A, right down | Session | F(8, 104) = 17.20, p < .001 | 0.57 |
| MEAN ERROR RATES | |||
| action B, left | Session | F(8, 104) = 1.61, p = .208 | 0.11 |
| action B, right | Session | F(8, 104) = 2.45, p = .07 | 0.16 |
| action A, left up | Session | F(8, 104) = 1.78, p = .09 | 0.12 |
| action A, left down | Session | F < 1 | |
| action A, right up | Session | F(8, 104) = 2.19, p = .034 | 0.14 |
| action A, right down | Session | F < 1 | |

Figure 4
Action B, median correct RTs (first, key-press response) and percent error rates for each response type in each S-R training task session.

Figure 5
Action A, median correct RTs (third, key-press response) and percent error rates for each response type in each S-R training task session.

Figure 6
Action B mean correct RT (first key-press response) and action B percent errors for the action overlap conditions (no overlap and overlap) and the no plan (control) condition by each partial repetition (PR) task session (1, 6, and 11). Error bars represent the within-subjects standard errors (Loftus & Mason, 1994).
Table 3
Mean recall error rates and within-subject standard errors (SEs) for the retained action plan (action A) by PR-task session and action overlap condition.
| PR-TASK SESSION | ACTION OVERLAP | MEAN ERROR % | SE % |
|---|---|---|---|
| 1 | Overlap | 6.79 | 1.15 |
| No Overlap | 5.21 | 1.01 | |
| 6 | Overlap | 5.57 | 1.10 |
| No Overlap | 4.57 | 0.94 | |
| 11 | Overlap | 5.43 | 1.06 |
| No Overlap | 4.00 | 1.12 |

