chapter  5
34 Pages

Statistical Issues and Comparative Methods

Statisticaltheoryisoftendirectlyrelevanttothecomparativeapproachin psychology.Thecomparisonoftreatmentgroupswithcontrolgroupsis centraltoclassicalexperimentaldesign.Thecomparisonofgroupsin nonexperimentalcontexts(e.g.,comparingthetwosexesordifferentethnic groups)hasalsoengenderedasubstantialliterature,someofwhichwe considerlaterinthischapter.