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Table 3 Chi-square test correlations (p values < 0.05) and respective Cramer’s V values between sociodemographic nominal variables and opinion nominal variables

From: Acceptability of genetically engineered algae biofuels in Europe: opinions of experts and stakeholders

Sociodemographic nominal variablesOpinion nominal variablesχ2-test
(p value)
Cramer’s V
GenderGeneral risk perception of fuels/power sources
Hydropower0.0340.285
Working fieldExpected benefits of GE algae biofuel compared to established biofuels
No competition with food0.0110.246
Expected benefits of GE algae biofuel compared to natural strains
Require less energy0.0160.242
Improve the controllability of the process0.0500.225
Perceptions of social acceptance of GE algae biofuel
Opinion about regulating gene-edited organisms as GMOs0.0240.236
General risk perception of fuels/power sources
Fossil fuels0.0220.237
Wind power0.0020.267