Table 1.

Overview of experimental designs and participants.

Experiment	Experimental groups	trials x trial duration = total duration	Rest period duration	Practice period duration	Participants completed the task	Participants adherent to instruction	Participants included in analysis
1	1	36 × 20 s = 12 m	10 s	10 s	499	389	389, 212
2	3	12 × 40 s = 8 m			523	373	373
	Early interference		20 s	10 s seq A, 10 s seq B	178	118	118
	Late interference		20 s	10 s seq A, 10 s seq B	176	126	126
	No interference		30 s	10 s seq A	169	129	129
3	1	48 × 110 s = 12 m	10 s	5 s	438	249	118
4	1	41 × 15–20 s = 12 m	10 s	Jittered 5–10 s	249	170	71

In Experiment 3 and 4 (and the respective reference group from Experiment 1), we only included participants who showed a minimum baseline performance level of at least two completed sequences per trial.