A Study of the Application of the Fuzzy-set Concurrent Rating Method to Psychological Measurements : Proposals of a New Definition and the Practical Application Procedures

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  • FCR法の心理測定への応用について : 新しい定義と実践手続きの提案
  • FCRホウ ノ シンリ ソクテイ エ ノ オウヨウ ニ ツイテ アタラシイ テイギ ト ジッセン テツヅキ ノ テイアン

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The Fuzzy-set Concurrent Rating method (FCR method) was developed to measure subjects' attitudes more naturally than traditional rating methods (Oda, 1995). The present paper proposes a new improved definition of the method so that it can include both recent and future research. With the new definition, the improved FCR method, which is composed of a convenient set of procedures is proposed. For the purpose of assisting the users to understand it, the algorithm of integration using Mamdani's "min-max-gravity method" is explained in detail. The integration formulae are presented as well. The formulae can fit data from 2- to 5-item arrangements by employing Mamdani's "min-max-gravity" method and Mizumoto's "algebraic product-sum-gravity" method. Besides, a variety of procedures for the application of the FCR method to psychological measurements are proposed. After the proposal of the procedures, the guidelines to apply them to practical problems are shown in table form.

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