Abstract:
:Violent video games are theorized to be a significant cause of aggressive thoughts, feelings, and behaviors. Important evidence for this claim comes from a large meta-analysis by Anderson and colleagues (2010), who found effects of violent games in experimental, cross-sectional, and longitudinal research. In that meta-analysis, the authors argued that there is little publication or analytic bias in the literature, an argument supported by their use of the trim-and-fill procedure. In the present manuscript, we reexamine their meta-analysis using a wider array of techniques for detecting bias and adjusting effect sizes. Our conclusions differ from those of Anderson and colleagues in 3 salient ways. First, we detect substantial publication bias in experimental research on the effects of violent games on aggressive affect and aggressive behavior. Second, after adjustment for bias, the effects of violent games on aggressive behavior in experimental research are estimated as being very small, and estimates of effects on aggressive affect are much reduced. In contrast, the cross-sectional literature finds correlations that appear largely unbiased. Third, experiments meeting the original authors' criteria for methodological quality do not yield larger adjusted effects than other experiments, but instead yield larger indications of bias, indicating that perhaps they were selected for significance. We outline future directions for stronger experimental research. The results indicate the need for an open, transparent, and preregistered research process to test the existence of the basic phenomenon. (PsycINFO Database Record
journal_name
Psychol Bulljournal_title
Psychological bulletinauthors
Hilgard J,Engelhardt CR,Rouder JNdoi
10.1037/bul0000074subject
Has Abstractpub_date
2017-07-01 00:00:00pages
757-774issue
7eissn
0033-2909issn
1939-1455pii
2017-26558-001journal_volume
143pub_type
评论,杂志文章,meta分析abstract::Many devices are used in child assessment and treatment as communication aids, projective tools, and symbolic means of interaction. None are as hotly debated in their application among mental health professionals as dolls with genital details. Anatomically detailed (AD) dolls are often used in sexual-abuse evaluation ...
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pub_type: 杂志文章,评审
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journal_title:Psychological bulletin
pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,meta分析
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pub_type: 杂志文章,评审
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