english: Sovey and Green (2011), Angrist and Krueger (2001), and Bollen (2012) offer reviews of the usage of instrumental variables in political science, economics, and sociology, and Sovey and Green (2011) provides a “reader’s checklist” for evaluating studies using instrumental variables.
non_english: Sovey and Green (2011) , Angrist and Krueger (2001) , lan Bollen (2012) nyedhiyakake panangan babagan panggunaan variabel instrumental ing ilmu politik, ekonomi, lan sosiologi, lan Sovey and Green (2011) nyedhiyakake "daftar pamaca" ngevaluasi studi nggunakake variabel instrumental.