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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Sci Eng Ethics. 2014 Aug 24;21(4):857–874. doi: 10.1007/s11948-014-9576-2

Table 5.2.

Response Patterns (Principle Strata) Among Selected Patients

Control Non-Response Control Response Total
Active Non-Response 50 15 65
Active Response 25 10 35
Total 75 25 100