The effects of message attributes and source characteristics of news posts on audience engagement on social media

Abstract

Informed by the theoretical framework of media effects and resonance theory, this study investigates how issue obtrusiveness and information richness as message attributes, and media hierarchy and orientation as source characteristics influence audience engagement with news posts on social media. The data of news posts (N = 943,793) from the top 99 Sina Weibo accounts of Chinese media with likes, comments, and reposts as indicators of audience engagement were retrieved. Through multilevel modeling, the study finds that source characteristics exert stronger effects on audience engagement than message attributes, and the effects on comments differ from those on likes and reposts. The association between issue obtrusiveness and comments is stronger than that between obtrusiveness and likes/reposts. Posts of high information richness draw more audience engagement than posts of low information richness. Through their news posts, central-level media attract more engagement than local media. The implications of the findings are discussed.

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