著者
中野 暁 残間 大地
出版者
日本行動計量学会
雑誌
行動計量学 (ISSN:03855481)
巻号頁・発行日
vol.44, no.2, pp.129-140, 2017 (Released:2018-04-26)
参考文献数
23

Self-reported surveys in media usage behavior have been conducted by many companies and institutions. However, whether such surveys accurately reflect the actual usage has rarely been discussed. In this study, we revealed the difference between self-reported survey and automatically collected behavior log for smartphone usage duration, and investigated the relationship of individual attributes to the difference. Though past studies focused on measures (frequency versus duration) or question formats (open-ended versus closed), we successfully reduced the difference by adopting questioning methodologies, i.e., recall aids and timetable. We found that; (1) smartphone usage duration tends to be underreported, (2) when reported results highly deviate from the log, applying recall aids and timetable questionnaire reduces the difference, and (3) the difference is affected by age, gender, full-time job, and leisure time.

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外部データベース (DOI)

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自己申告とのギャップ。日本語の文献ではこれが勉強になった。「ライトユーザーほど過大申告しやすく、ヘビーユーザーほど過小申告しやすい(Abeele, et al.,2013; Scharkow, 2016)」的な話はおもろい。 メディア利用時間における自己申告型調査と行動ログの乖離に関する研究 https://t.co/z2N82IuBZY
乖離を減らす方法も調査⇒メディア利用時間における自己申告型調査と行動ログの乖離に関する研究 ―個人のスマートフォン利用時間を対象とした実証分析― https://t.co/CJdPsq5D4C

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