Table 3.

Frequency of outcomes and conditional expected posterior probabilities: Repeated-play experiments

Treatment	Node x2, right (noncooperation)			Node x6, right (SP)			Node x3, down game 1 or left game 2 (defection)			Node x5, down game 1 (punish)
	n	r	E"(p|r,n)	n	r	E"(p|r,n)	n	r	E"(p|r,n)	n	r	E"(p|r,n)
Same 1	433	80	0.186	80	68	0.841	353	41	0.118	41	27	0.651
Same 2*	423	162	0.384	162	114	0.701	261	41	0.160	NA	NA	NA
Random 1	471	154	0.328	154	149	0.962	317	102	0.223	102	69	0.673
Random 2*	453	293	0.646	293	278	0.946	160	70	0.438	NA	NA	NA
Repeat single 1	352	148	0.421	148	138	0.927	204	71	0.375	71	36	0.507

NA, not applicable. 

^*Note that in game 2, the move order of the outcomes [60, 30] and [50, 50] are reversed relative to game 1.