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Table 1

Scale for comparison (Saaty & Vargas 2013)

ScaleDefinitionExplanation
the two criteria are equally important two criteria contribute to one objective in the same way 
one criterion is less important relative to another experience and personal appreciation slightly favour one criterion over another 
high or significant importance experience and personal appreciation highly favour one criterion over another 
very high and corroborated importance one criterion is strongly favoured and its dominance is supported in practice 
absolute importance evidence supporting one criterion over another is as convincing as possible 
2, 4, 6, 8 values related to intermediate judgments when a compromise is required 
ScaleDefinitionExplanation
the two criteria are equally important two criteria contribute to one objective in the same way 
one criterion is less important relative to another experience and personal appreciation slightly favour one criterion over another 
high or significant importance experience and personal appreciation highly favour one criterion over another 
very high and corroborated importance one criterion is strongly favoured and its dominance is supported in practice 
absolute importance evidence supporting one criterion over another is as convincing as possible 
2, 4, 6, 8 values related to intermediate judgments when a compromise is required 
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