Tracing lost research participants.
This paper discusses search strategies that were used to locate research participants with whom researchers had lost contact during a 13 year longitudinal study. The information that proved to be most useful in tracing 'lost' participants was a record of correct names and next of kin. The most cost effective method of re-establishing contact was via the telephone.
Donohue
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D003625:Data Collection / Q000379:methods*; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D010352:Patient Dropouts