Preaching to the Choir
Background. Observational studies evaluating elective training programs may be biased if learners who enroll differ from nonenrollees. To assess self-selection bias, we compared participants who enrolled in 2 different online courses in complementary and alternative medical therapies. Methods. Parti...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2015-04-01
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| Series: | Journal of Evidence-Based Complementary & Alternative Medicine |
| Online Access: | https://doi.org/10.1177/2156587214561328 |