The arithmetic mean of all of the above values for a particular index indicates the experts’ “degree of opinion concentration”; the higher the arithmetic mean, the greater the importance of the index. The coefficient of variation for each index is similarly used to indicate the experts’ “degree of opinion coordination”; the smaller is the coefficient of variation of the index, the lesser is the dispute regarding the index (Rong, 2008).
Based on the results of two rounds of index selection and the analysis of these findings, 27 evaluation indexes for low-carbon tourist attractions were selecte