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Study excerpt: “We used a prospective, qualitative descriptive design, identifying patients likely to need complex decision-making and interviewing their family members. . . .
We applied the purposive sampling technique using a maximum variation, varying on attributes shown to explain differences in attitudes about the use of life support, including ethnicity, gender, and socioeconomic status (SES). Ethnicity was stratified into 2 main groups, African American and Caucasian; SES was stratified into presence or absence of private insurance (including Medicare with private supplement).” Adams, J. A., Anderson, R. A., Docherty, S. L., & Steinhauser, K. E. (2014). Nursing strategies to support family members of ICU patients at high risk of dying.Heart & Lung, 43(5), 406-415. Excerpt from page 407. The sampling method in this study was
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