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Echo chamber effects on short video platforms.

Yichang Gao1,2, Fengming Liu3, Lei Gao4

  • 1Business School, Shandong Normal University, Ji'nan, 250014, China.

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Short video platforms like Douyin and Bilibili create echo chambers, intensifying group polarization and the spread of misinformation. Cultural differences can mitigate these effects, offering insights for managing online content.

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Area of Science:

  • Social Media Analysis
  • Communication Technology
  • Information Science

Background:

  • Short videos are a major information source, with platforms using algorithms that can intensify group polarization.
  • Algorithmic content curation may lead users into homogeneous "echo chambers," facilitating the spread of misinformation and negative social impacts.
  • Understanding echo chamber dynamics is crucial for addressing issues on short video platforms.

Purpose of the Study:

  • To investigate echo chamber effects on three popular short video platforms: Douyin, TikTok, and Bilibili.
  • To analyze how user features contribute to the formation of echo chambers.
  • To quantify echo chamber effects using selective exposure and homophily across platform and topic dimensions.

Main Methods:

  • Social network analysis was employed to study echo chamber effects.
  • Quantification of echo chamber effects involved measuring selective exposure and homophily.
  • Comparative analysis across Douyin, TikTok, and Bilibili was conducted.

Main Results:

  • Homogeneous group formation significantly influences online interactions on Douyin and Bilibili.
  • Echo chamber members actively engage to attract peer attention.
  • Cultural variations appear to hinder the development of echo chambers.

Conclusions:

  • Echo chamber effects are prevalent on certain short video platforms, driven by user behavior and platform design.
  • Findings highlight the role of selective exposure and homophily in echo chamber formation.
  • Understanding these dynamics is vital for developing strategies against misinformation and promoting healthier online environments.