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A New Opinion Polarization Index Developed by Integrating Expert Judgments
Opinion polarization is increasingly becoming an issue in today's society, producing both unrest at the societal level, and conflict within small scale communications between people of opposite opinion. Often, opinion polarization is conceptualized as the direct opposite of agreement and consequently operationalized as an index of dispersion. However, in doing so, researchers fail to account for the bimodality that is characteristic of a polarized opinion distribution. A valid measurement of opinion polarization would enable us to predict when, and on what issues conflict may arise. The current study is aimed at developing and validating a new index of opinion polarization. The weights of this index were derived from utilizing the knowledge of 58 international experts on polarization through an expert survey. The resulting Opinion Polarization Index predicted expert polarization scores in opinion distributions better than common measures of polarization, such as the standard deviation, Van der Eijk's polarization measure and Esteban and Ray's polarization index. We reflect on the use of expert ratings for the development of measurements in this case, and more in general.
A New Opinion Polarization Index Developed by Integrating Expert Judgments
Opinion polarization is increasingly becoming an issue in today's society, producing both unrest at the societal level, and conflict within small scale communications between people of opposite opinion. Often, opinion polarization is conceptualized as the direct opposite of agreement and consequently operationalized as an index of dispersion. However, in doing so, researchers fail to account for the bimodality that is characteristic of a polarized opinion distribution. A valid measurement of opinion polarization would enable us to predict when, and on what issues conflict may arise. The current study is aimed at developing and validating a new index of opinion polarization. The weights of this index were derived from utilizing the knowledge of 58 international experts on polarization through an expert survey. The resulting Opinion Polarization Index predicted expert polarization scores in opinion distributions better than common measures of polarization, such as the standard deviation, Van der Eijk's polarization measure and Esteban and Ray's polarization index. We reflect on the use of expert ratings for the development of measurements in this case, and more in general.
A New Opinion Polarization Index Developed by Integrating Expert Judgments
Koudenburg, Namkje (author) / Kiers, Henk A L (author) / Kashima, Yoshihisa (author)
2021-10-13
Koudenburg , N , Kiers , H A L & Kashima , Y 2021 , ' A New Opinion Polarization Index Developed by Integrating Expert Judgments ' , Frontiers in Psychology , vol. 12 , 738258 . https://doi.org/10.3389/fpsyg.2021.738258
Article (Journal)
Electronic Resource
English
DDC:
710
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