September 2018
Intermediate to advanced
392 pages
10h 16m
English
Note
Beware of single studies!
As we explained in the introductory chapter, an important ‘safety check’ to ensure that scientific claims are trustworthy is replication. If novel findings from scientific research can be reproduced, it means they are more likely to be valid. On the other hand, if the findings cannot be replicated they are likely to be invalid. Therefore, no single study (not even a randomized controlled trial) can be considered to be strong evidence – it is merely indicative. For this reason, we prefer meta-analyses or, even better, systematic reviews. As explained earlier, a systematic review is a summary of studies that aims ...
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