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Correction of Effect Size in Meta-Analysis of Social Media Impact on Adolescent Mental Health

  • September 1, 2026

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Objective:

To correct an error in the effect size extracted from a study included in a meta-analysis on social media use and adolescent mental health.

Approach:
  • Error Identification: An error was found in the correlation between Snapchat time and depression within the clinical subsample.
  • Correction Impact: Correcting the error resulted in minor changes in reported decimal values but did not alter the conclusions of the meta-analyses or moderation analyses.
  • Outlier Analysis: Influence diagnostics identified an additional outlier, but results remained consistent after its removal.
Key Findings:
  • Correction of effect size led to minor changes in decimal values.
  • Conclusions of the meta-analyses and moderation analyses remained unchanged.
  • An additional outlier was identified but did not affect the main findings.
Interpretation:

The correction did not impact the overall conclusions of the study.

Conclusion:

The article was corrected online to reflect these changes.

Sources:

Original Source(s)

Error in Effect Size

  • September 1, 2026

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