HilgardOpenPracticesDisclosure – Supplemental material for Null Effects of Game Violence, Game Difficulty, and 2D:4D Digit Ratio on Aggressive Behavior

Supplemental material, HilgardOpenPracticesDisclosure for Null Effects of Game Violence, Game Difficulty, and 2D:4D Digit Ratio on Aggressive Behavior by Joseph Hilgard, Christopher R. Engelhardt, Jeffrey N. Rouder, Ines Segert and Bruce D. Bartholow in Psychological Science