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Change in attitudes toward video games across methodological approaches, 1980–2013, as reflected in the change in proportion of video game-related articles.
| Type of study | Total no. of articles | Change in attitude (%) | P value | ||
| Negative attitude | Neutral attitude | Positive attitude | |||
| Observational | 1081 | +16.0% | +1.1% | –16.9% | <.001a |
| Interventional | 686 | –25.8% | –0.9% | +26.8% | <.001a |
| Aggregated | 160 | +2.9% | –3.1% | +0.3% | >.1 |
aSignificance remains after Bonferroni correction.
