Navratil-Strawn J, Hartley S, MacLeod S, Lindsay A. The effect of a customized advocacy product on downstream medical expenditures and utilization. Telehealth and medicine today. 2021 Jan;6(2). doi: 10.30953/tmt.v6.250
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