Ethical acceptance
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ETHICS/ethics
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Macro variable, mean of four sub-variables: (1) acceptance of using biomass for generating heat and (2) its usefulness, (3) relevance for local energy supply, and (4) relevance for maintaining regional wetlands
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General interest in specific carburettor technology
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INTEREST/interest
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Survey data directly used
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Insufficient readiness of technology as perceived implementation barrier
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READYBARRIER/readybarrier
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New built variable using data from variable “interest in technology” and “perceived readiness of technology” (code plan: Additional file 3)
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Satisfaction with current heating system on farm
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SATISF/satisf
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Survey data directly used
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No availability of material (feedstock)
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NOMAT/nomat
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Survey data directly used
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