Table 3.

Changes in risk perception for eight nanotechnology-related risk areas as a function of whether or not respondent has discussed nanotechnology with others, among South Carolina citizens’ panel members

	Unit change (on 5-point scale) for perceived risk of nanotechnology for:
	Human health	Animal health	Environment	Impact on expenses	Rich/poor divide	Privacy issues	Access issues	Economic disruption
“Discusser” mean perceived risk increase	+0.56	+0.36	+0.44	+0.56	+0.32	+0.28	−0.24	+0.20
“Non-discusser” mean perceived risk increase	+0.27	−0.13	+0.16	+0.32	+0.32	+0.97	+0.29	+0.06

None of the differences are statistically significant at the 0.100 level or below, however