scores of 110 and 100 is the same as the 10-point difference between IQs of 160 and 150" ^ Stevens, S. S. (1946). "On the Theory of Scales ofMeasurement".
2015年9月3日閲覧。. ^ a b McKinney, Michael L. (2002). “Urbanization, Biodiversity, and Conservation”. BioScience 52 (10): 883. doi:10.1641/0006-3568(2002)052[0883:UBAC]2