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Table 5 Opinion ordinal variables (4 Likert scale)

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

Variable nameAnswers
Expected benefits of GE algae biofuel compared to established biofuels
Less environmental impactTotally not agree
Rather not agree
Rather agree
Totally agree
Do not know
Reduced greenhouse gas emissions and climate change
No competition with food
Superior engine performance
New rural jobs
Reduced fuel import dependency
Expected benefits of GE algae biofuel compared to fossil fuels
Less environmental impactTotally not agree
Rather not agree
Rather agree
Totally agree
Do not know
Reduced greenhouse gas emissions and climate change
Less occupational risk
New rural jobs
Reduced fuel import dependency
Expected benefits of GE algae biofuel compared to natural strains
Improve productivityTotally not agree
Rather not agree
Rather agree
Totally agree
Do not know
Require less energy
Need less nutrients uptake
Need less use of fresh water
Improve the controllability of the process
Improve economic feasibility
GMOs should partially replace fossil fuelsTotally not agree
Rather not agree
Rather agree
Totally agree
Do not know
General risk perception of fuels/power sources
Fossil fuelsEntirely harmless
Rather harmless
Rather alarming
Entirely alarming
Prefer not to answer
Established biofuels
GE algae biofuel
Solar photovoltaic power
Wind power
Hydropower
Perceptions of social acceptance of GE algae biofuel
Opinion about general social acceptanceNo acceptance
Low
Medium
High acceptance
Prefer not to answer
Variation of public acceptance in case of using gene-editing techniquesLower
No difference
Slightly higher
Noticeably higher
Do not know
Opinion about regulating gene-edited organisms as GMOsTotally not agree
Rather not agree
Rather agree
Totally agree
Prefer not to answer