28 NFL teams from the 1980's. Team uniforms were rated for their "malevolence", and the average penslty yardage for each team was also recorded.
A data frame with 28 observations on the following 3 variables.
Name of NFL team.
Rating of "malevolence" accorded to the eam uniform. High scores indicate more malevolence.
Mean penalty yardage per game for the team, expressed as a z-score.
The Dark Side of Self- and Social Perception: Black Uniforms and Agression in Professional Sports, Frank and Gilovich, Journal of Personality and Social Psychology, 1988, Vol. 54, No. 1, 74-85.
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