Present state and problems of analyzing the factors that influence non-farmer participation in activities to maintain irrigation/drainage canals: Focusing on previous studies that statistically analyzed questionnaire survey data
2016
Onimaru, T. (Institute for Rural Engineering, NARO, Tsukuba, Ibaraki (Japan))
In the rural communities of Japan, the aging population and increase in mixed inhabitation have reduced the workforce available for maintaining irrigation/drainage canals. Therefore, the cooperation of non-farmers is required. To promote the participation of non-farmers in maintenance activities, the efficacy of factors that influence their participation needs to be effectively improved. From this viewpoint, previous studies have analyzed the multiple factors to identify the influencing factors. However, when we analyzed the factors in other areas based on the knowledge of previous studies, it was difficult to judge which factors we should analyze because not the same factors were identified as influencing factors in all the studies we examined. Therefore, this study focuses on 10 cases from 7 previous studies that statistically analyzed questionnaire survey data. Then, we examined the present state and problems of the influencing factor analysis. The following results were observed in 8 cases of the previous studies using the statistical significant difference to identify influencing factors: (1) in an average of 64% of the cases, a reason to influence (causality) is not shown, (2) we cannot distinguish “influence is small” from “there is no causality” because of (1), and (3) therefore, a reason to influence must be given.
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