Zafeiridi E, McMichael AJ, Passmore AP, McGuinness B. Living alone for people on dementia medication: related use of drugs. Aging (Albany NY). 2020 Oct 21;12(20):20924-9. doi: 10.18632/aging
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