title: "Bias toward the null" means reduced power.
authors.forename: Solveig K
authors.initials: SK
authors.lastname: Sieberts
authors.forename: Karl W
authors.initials: KW
authors.lastname: Broman
authors.forename: Daniel F
authors.initials: DF
authors.lastname: Gudbjartsson
mesh_terms: D015982:Bias; D002874:Chromosome Mapping / Q000379:methods*; D003627:Data Interpretation, Statistical; D008957:Models, Genetic; D012107:Research Design; D035781:Siblings