Thursday, August 8, 2019

The role of media exposure on relational aggression: Exposure to relational aggression has the strongest effect on subsequent relational aggression; these results support cross-over effect

The role of media exposure on relational aggression: A meta-analysis. Nicole Martins, Andrew Weaver. Aggression and Violent Behavior, Volume 47, July–August 2019, Pages 90-99. https://doi.org/10.1016/j.avb.2019.03.001

Highlights
•    Exposure to relational aggression has the strongest effect on subsequent relational aggression
•    Exposure to non-specific media content has the weakest effect on relational aggression
•    Exposure to physical aggression fell in the middle of the two content types; supports cross-over effect
•    Future research should study these issues among heterogeneous populations so moderating variables can be further examined.

Abstract: We conducted a meta-analysis of 33 studies that examined the effects of media exposure on relationally aggressive behaviors and cognitions (a total of 66 effect sizes, N = (20,990). Across all types of aggressive content, there was a small positive effect (r = 0.15) on relational aggression. However, a comparison of effects sizes demonstrate that exposure to relational aggression had the strongest effect (r = 0.21), whereas exposure to non-specific media content had the weakest effect (r = 0.08). Exposure to physical aggression fell in the middle of the two content types (r = 0.15). Potential explanations for these effects as well as moderators that could influence the results are considered, and the practical implications of these findings are discussed.

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