Engaging military couples in marital research: does requesting referrals from service members to recruit their spouses introduce sample bias?
Abstract Background While enrolling dyads in research studies is not uncommon, there is limited literature on the utility of different recruitment strategies and the resulting selection biases. This paper examined two recruitment strategies used to enroll military couples in a longitudinal study, as...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2018-10-01
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Series: | BMC Medical Research Methodology |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12874-018-0575-x |