Within study comparisons and risk of bias in international development: Systematic review and critical appraisal
Executive Summary Background Many systematic reviews incorporate nonrandomised studies of effects, sometimes called quasi‐experiments or natural experiments. However, the extent to which nonrandomised studies produce unbiased effect estimates is unclear in expectation or in practice. The usual way t...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-06-01
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| Series: | Campbell Systematic Reviews |
| Online Access: | https://doi.org/10.1002/cl2.1027 |