How Inconsistent Reporting Affects Bullying Victimization Estimates: A Data‐Adjusted Replication Study in 29 Low‐ and Middle‐Income Countries.

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Title: How Inconsistent Reporting Affects Bullying Victimization Estimates: A Data‐Adjusted Replication Study in 29 Low‐ and Middle‐Income Countries.
Authors: Brisson, Romain1 (AUTHOR) sociodicy@outlook.com
Source: Journal of Adolescence. Jul2026, Vol. 98 Issue 5, p1832-1836. 5p.
Subject Terms: *Teenagers, *Victims of bullying, Victimization rates, Data quality, Developing countries, Replication (Experimental design), Low-income countries, Data scrubbing
Abstract: Introduction: Although inconsistent reporting can alter research findings, it is seldom accounted for in most research areas. This study assessed the impact of inconsistent reporting on bullying victimization prevalence through a partial replication of a study in 29 countries. Methods: Analyses were restricted to adolescents aged 12–15 years (n = 191,228). Inconsistent reporting was defined based on contradictions in the responses to two bullying victimization items. Unadjusted prevalence estimates (i.e., all reports included) were compared with adjusted estimates (i.e., inconsistent reports excluded) based on relative changes and Cohen's h. Results and Conclusions: The mean percentage of inconsistent reporters was 7.4%. On average, their exclusion reduced bullying victimization prevalence by 13.5% (M∆ = −13.5%; Mh = 0.107). In about two‐thirds of cases, adjusted estimates fell outside corresponding unadjusted confidence intervals. The present study confirms that inconsistent reporting can substantially bias bullying victimization prevalence estimates. It should therefore be systematically addressed whenever possible. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Adolescence is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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Items – Name: Title
  Label: Title
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  Data: How Inconsistent Reporting Affects Bullying Victimization Estimates: A Data‐Adjusted Replication Study in 29 Low‐ and Middle‐Income Countries.
– Name: Author
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  Data: <searchLink fieldCode="AR" term="%22Brisson%2C+Romain%22">Brisson, Romain</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sociodicy@outlook.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Adolescence%22">Journal of Adolescence</searchLink>. Jul2026, Vol. 98 Issue 5, p1832-1836. 5p.
– Name: Subject
  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Teenagers%22">Teenagers</searchLink><br />*<searchLink fieldCode="DE" term="%22Victims+of+bullying%22">Victims of bullying</searchLink><br /><searchLink fieldCode="DE" term="%22Victimization+rates%22">Victimization rates</searchLink><br /><searchLink fieldCode="DE" term="%22Data+quality%22">Data quality</searchLink><br /><searchLink fieldCode="DE" term="%22Developing+countries%22">Developing countries</searchLink><br /><searchLink fieldCode="DE" term="%22Replication+%28Experimental+design%29%22">Replication (Experimental design)</searchLink><br /><searchLink fieldCode="DE" term="%22Low-income+countries%22">Low-income countries</searchLink><br /><searchLink fieldCode="DE" term="%22Data+scrubbing%22">Data scrubbing</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Introduction: Although inconsistent reporting can alter research findings, it is seldom accounted for in most research areas. This study assessed the impact of inconsistent reporting on bullying victimization prevalence through a partial replication of a study in 29 countries. Methods: Analyses were restricted to adolescents aged 12–15 years (n = 191,228). Inconsistent reporting was defined based on contradictions in the responses to two bullying victimization items. Unadjusted prevalence estimates (i.e., all reports included) were compared with adjusted estimates (i.e., inconsistent reports excluded) based on relative changes and Cohen's h. Results and Conclusions: The mean percentage of inconsistent reporters was 7.4%. On average, their exclusion reduced bullying victimization prevalence by 13.5% (M∆ = −13.5%; Mh = 0.107). In about two‐thirds of cases, adjusted estimates fell outside corresponding unadjusted confidence intervals. The present study confirms that inconsistent reporting can substantially bias bullying victimization prevalence estimates. It should therefore be systematically addressed whenever possible. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Adolescence is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1002/jad.70166
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 5
        StartPage: 1832
    Subjects:
      – SubjectFull: Teenagers
        Type: general
      – SubjectFull: Victims of bullying
        Type: general
      – SubjectFull: Victimization rates
        Type: general
      – SubjectFull: Data quality
        Type: general
      – SubjectFull: Developing countries
        Type: general
      – SubjectFull: Replication (Experimental design)
        Type: general
      – SubjectFull: Low-income countries
        Type: general
      – SubjectFull: Data scrubbing
        Type: general
    Titles:
      – TitleFull: How Inconsistent Reporting Affects Bullying Victimization Estimates: A Data‐Adjusted Replication Study in 29 Low‐ and Middle‐Income Countries.
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            NameFull: Brisson, Romain
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            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 98
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              Value: 5
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            – TitleFull: Journal of Adolescence
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