Can targeted cover letters improve participation in health surveys? Results from a randomized controlled trial
Abstract Background Improving response rates in epidemiologic studies is important for the generalizability of the outcome. The aim of this study was to examine whether it can be advantageous for participation to target different versions of the cover letters to different sample subgroups. Methods A...
| প্রধান লেখক: | , , |
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| বিন্যাস: | প্রবন্ধ |
| ভাষা: | English |
| প্রকাশিত: |
BMC
2019-07-01
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| মালা: | BMC Medical Research Methodology |
| বিষয়গুলি: | |
| অনলাইন ব্যবহার করুন: | http://link.springer.com/article/10.1186/s12874-019-0799-4 |