Table AI.

Matrix of Displacement Interactions in PB Group (N = 15—Row = Giver, Column = Receiver)

g/r	ap	bp	cp	dp	ep	fp	gp	hp	ip	jp	lp	np	rp	sp	yp
ap	0	0	1	0	0	1	0	0	0	0	0	1	3	0	3
bp	6	0	8	7	5	4	0	2	0	10	3	3	1	4	1
cp	2	0	0	4	1	2	0	0	0	0	0	3	6	0	4
dp	0	0	0	0	0	0	0	0	1	0	0	8	2	0	4
ep	4	1	1	4	0	1	0	0	0	1	0	5	4	0	0
fp	4	0	5	8	2	0	0	0	0	0	0	8	4	0	2
gp	2	1	1	1	4	0	0	1	4	4	0	2	2	3	1
hp	5	2	4	5	4	3	0	0	8	6	2	7	6	8	7
ip	2	10	0	5	10	9	0	2	0	12	0	8	5	15	3
jp	7	1	6	8	9	5	1	0	0	0	2	4	5	1	3
lp	3	10	9	7	2	6	3	7	11	7	0	17	5	20	5
np	1	0	0	0	0	0	0	0	0	0	0	0	4	0	5
rp	0	0	0	0	0	0	0	0	0	0	0	0	0	0	6
sp	3	6	8	6	7	5	0	0	0	5	3	4	2	0	4
yp	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0