Clienti D, Issel M, Wells R, Link (Anderson) S, Lich KH. System dynamics approaches and collective action for community health: an integrative review. Am J Community Psychol. 2019 Jun;63(3-4):527-45. doi: 10.1002/ajcp.12305
Williams VSL. The "unbiased" anchor: bridging the gap between DIF and item bias. Appl Meas Educ. 1997;10(3):253-67. doi: 10.1207/s15324818ame1003_4