Rodriguez, Hector; Glahn, Ted; Li, Angela; Rogers, William - In: The Patient: Patient-Centered Outcomes Research 2 (2009) 2, pp. 135-141
<Emphasis Type="Bold">Background: The use of item screeners is viewed as an essential feature of quality survey design because only respondents who are ‘qualified’ to answer questions that apply to a subset of the sample are directed to answer. However, empirical evidence supporting this view is scant. <Emphasis Type="Bold">Objective:...</emphasis></emphasis>