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Chunk #9 — Materials and Methods — Participants

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Alcohol-Related, Drug-Related, and Non-Substance-Related Aggression: 3 Facets of a Single Construct or 3 Distinct Constructs?
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This sample size was not predetermined by an a priori power analyses, but was instead determined by the availability of data that met the needs of our preregistered analyses. Our sample size of 13,490 provided us 80% power, at α = .05, to detect even quite small inter-factor correlations of β = .03 and larger within the three-factor model.