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Dictionary - R


Randomisation Random division of research participants into different treatment groups, which are alike in all the important aspects except for the treatment each group receives. In general, a randomised experiment is an essential tool for testing the efficacy of a treatment.
See also: www.eupati.eu/glossary/randomisation


Rare disease Disease or condition that occurs in less than 1 in 2,000 people.
See also: www.eupati.eu/glossary/rare-disease


Recruitment Process of enrolling people into a clinical trial.
See also: www.eupati.eu/glossary/recruitment


Regulator Authority responsible for putting rules about the research, use and financing of drugs in place. Examples are the European Medicines Agency (EMA) and the US Food and Drug Administration (FDA), but also national governments.


Replication Repetition of trials to verify that the hypothesis and/or results are correct.


Reproducibility Ability of an entire experiment or study to be duplicated, either by the same researcher or by someone else working independently.


Responsive Sensitive to change.