Table 1.

Results of the linear mixed-model effects for comparing stimulation frequency F_s and probability of consecutive stimulations P^L_s between the rounds where the player was facing other human player and the two cases of programmed agents (oscillatory and shadow agents).

Groups	p-value
	Fs	P0.25s	P0.5s	P1s	P2s
human-human vs. human-oscillatory	0.2381	0.0000	0.0000	0.0000	0.0496
human-human vs. human-shadow	0.6591	0.6159	0.0000	0.2455	0.0519