Browse the glossary:

Top Ten terms

1. study participants (subjects*, participants) — 1926 views
   “The people included in a study” … (read more)
2. non-randomized study (non-experimental study, observational study,) — 1507 views
   “A category of studies that does not use random allocation to assign participants to treatment comparison groups” … (read more)
3.   statistically significant — 1504 views
   “A result that is unlikely to have happened by chance. The usual threshold for this judgement is a likelihood of less than 5%” … (read more)
4. research evidence (research findings, research results) — 1451 views
   “The findings of studies, including systematic reviews” … (read more)
5. fair comparisons of treatments — 1397 views
   “Studies designed, conducted, reported and interpreted to minimize bias and the play of chance in measuring treatment effects” … (read more)
6. dramatic treatment effect — 1268 views
   “Treatment effect that is so large that it is unlikely to be explained away by bias, even without having been tested in a study designed to minimize bias” … (read more)
7. benefit (desirable anticipated effect, desirable effect) — 1249 views
   “Difference in outcomes that favours a treatment in a treatment comparison” … (read more)
8. cost-effectiveness (cost-utility) — 1232 views
   “The cost of a treatment in relation to its effects” … (read more)
9. treatment effect (clinical impact, estimate of effect, impact) — 1226 views
   “Changes (increases or decreases) or differences in health outcomes as a result of treatments” … (read more)
10. measurement bias (ascertainment bias, detection bias, observer bias) — 1226 views
    “Bias resulting from systematic differences in how outcomes are measured in treatment comparison groups in a study.” … (read more)