ソーシャルメディア上での再投稿を促進する他者の反応 --Q&Aサイトにおける質問投稿の場合--

The Responses to Encourage Reposting on So cial Media: In Case of Questions Posted on the Q&A Site.

For Q&A site, increasing the number of times users post, in other words, encouraging them to repost questions is important to strengthen the loyalty to the site. To encourage users on the Q&A site to repost questions, it is necessary for its management company to give efficiently points to users, which the company offers them as incentive to post. This study aimed to analyze what kind of answers makes it easier for the questioner to post the next question in a short period. The data to be analyzed is the questions and answers data of Q&A website. Considering the response to the question as an intervention, propensity score matching is used for this analysis to balance the covariates between intervention group and non-intervention group. Also, we propose to balance the unobserved heterogeneity of the questioners by incorporating different random intercepts for each questioner into the model of the propensity score calculation. The result of this study can be used to propose Q&A site management companies the way of giving points effectively to promote questions. [ABSTRACT FROM AUTHOR]

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