Does Mode of Survey Administration Matter? Using Measurement Invariance to Validate the Mail and Telephone Versions of the Bereaved Family Survey

摘要

Context. The Veterans Health Administration evaluates outcomes of end-of-life (EOL) care using the Bereaved Family Survey (BFS). Originally, the BFS was administered as a telephone survey but was transitioned to a mail survey beginning October 2012. The transition necessitated an evaluation of the tool's validity using this new mode of administration.