TABLE 1.

Reciprocal Exchanges Described by Men

	Three or More Person Variation				Two-Person Variation
	Same Resource		Different Resource		Same Resource		Different Resource
Case	Short Term	Delayed/ Pending	Short Term	Delayed/ Pending	Short Term	Delayed/ Pending	Short Term	Delayed/ Pending
1			Xa	X				X
2	X		X		X
3	X
4	X				X
5	X		X		X
6					X			X
7	X			X	X
8
9	X		X			X
10	X		X
11	X		X
12	X		X		X
13	X
Total	10	0	7	2	6	1	0	2

NOTE: Xs indicate a positive response.

^aParties were unknown to each other prior to exchange.