Table 2.
Mean Correct Response Time (in Milliseconds) for Experiments 1–5
| Experiment | Total delay time | |||
|---|---|---|---|---|
| 1: Low proactive interference | ||||
| Trial type | 7 s | 11 s | 15 s | 19 s |
| NRN | 568 (18) | 588 (24) | 579 (23) | 596 (24) |
| RN | 684 (26) | 667 (32) | 670 (27) | 670 (27) |
| RN–NRN | 116 (12) | 79 (15) | 91 (12) | 74 (14) |
| 2: Lowest proactive interference | ||||
| Trial type | 7 s | 11 s | 15 s | 19 s |
| NRN | 586 (20) | 615 (23) | 609 (22) | 610 (23) |
| RN | 686 (27) | 662 (24) | 669 (26) | 680 (21) |
| RN–NRN | 100 (18) | 48 (14) | 60 (13) | 70 (11) |
| 3: Fast ITI | ||||
| Trial type | 4 s | 5.5 s | 7.0 s | 8.5 s |
| NRN | 533 (18) | 544 (16) | 537 (19) | 541 (17) |
| RN | 615 (19) | 637 (22) | 600 (23) | 612 (25) |
| RN–NRN | 81 (8) | 93 (14) | 63 (14) | 71 (17) |
| 4: Fastest ITI | ||||
| Trial type | 3.3 s | 3.8 s | 4.3 s | 4.8 s |
| NRN | 571 (38) | 572 (41) | 561 (41) | 563 (34) |
| RN | 632 (44) | 640 (40) | 632 (46) | 658 (53) |
| RN–NRN | 61 (17) | 68 (14) | 71 (11) | 95 (23) |
| 5: No articulatory suppression | ||||
| Trial type | 7 s | 11 s | 15 s | 19 s |
| NRN | 613 (38) | 625 (46) | 651 (56) | 647 (50) |
| RN | 711 (47) | 687 (41) | 707 (62) | 694 (56) |
| RN–NRN | 97 (34) | 62 (22) | 56 (16) | 47 (17) |
| 5: Articulatory suppression | ||||
| Trial type | 7 s | 11 s | 15 s | 19 s |
| NRN | 720 (75) | 725 (73) | 739 (78) | 730 (79) |
| RN | 832 (89) | 833 (80) | 815 (91) | 803 (87) |
| RN–NRN | 112 (38) | 108 (18) | 76 (34) | 73 (29) |
Note. Standard errors in parentheses. ITI = intertrial interval; NRN = nonrecent negative; RN = recent negative.