With or against Each Other? The Influence of a Virtual Agent’s (Non)cooperative Behavior on User’s Cooperation Behavior in the Prisoners’ Dilemma

Table 1

Means of participants’ decision to cooperate for all four rounds.

	Students			Seniors			∑
	CO	NC	∑	CO	NC	∑	CO	NC	∑
Round
M	0.90	0.75	0.83	0.90	1.00	0.95	0.90	0.88	0.89
SD	0.31	0.44	0.38	0.31	0.00	0.22	0.30	0.33	0.32
Round
M	0.85	0.75	0.80	0.85	0.95	0.95	0.85	0.85	0.85
SD	0.37	0.44	0.41	0.37	0.22	0.30	0.37	0.37	0.36
Round
M	0.70	0.50	0.60	0.80	0.65	0.73	0.75	0.58	0.66
SD	0.47	0.51	0.50	0.41	0.45	0.45	0.44	0.50	0.48
Round
M	0.40	0.55	0.48	0.65	0.75	0.70	0.53	0.65	0.59
SD	0.50	0.51	0.51	0.49	0.44	0.46	0.51	0.48	0.50

Note. Means in rows sharing subscripts are significantly different from each other. CO represents a cooperative nonverbal behavior, while NC is written for the noncooperative nonverbal behavior.