Browse the glossary:

Top Ten terms

1. study participants (subjects*, participants) — 2972 views
   “The people included in a study” … (read more)
2. non-randomized study (non-experimental study, observational study,) — 2403 views
   “A category of studies that does not use random allocation to assign participants to treatment comparison groups” … (read more)
3.   statistically significant — 2358 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. fair comparisons of treatments — 2218 views
   “Studies designed, conducted, reported and interpreted to minimize bias and the play of chance in measuring treatment effects” … (read more)
5. research evidence (research findings, research results) — 2215 views
   “The findings of studies, including systematic reviews” … (read more)
6. benefit (desirable anticipated effect, desirable effect) — 1931 views
   “Difference in outcomes that favours a treatment in a treatment comparison” … (read more)
7. cost-effectiveness (cost-utility) — 1928 views
   “The cost of a treatment in relation to its effects” … (read more)
8. index test — 1915 views
   “A diagnostic test that is being evaluated against a reference standard test in a study of test accuracy” … (read more)
9. play of chance (random error) — 1910 views
   “In treatment comparisons, a type of error that may affect the results because too few events or outcomes have been observed to provide a reliable measure of the treatment effects” … (read more)
10. dramatic treatment effect — 1905 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)