Browse the glossary:

Top Ten terms

1. study participants (subjects*, participants) — 128 views
   “The people included in a study” … (read more)
2. non-randomized study (non-experimental study, observational study,) — 114 views
   “A category of studies that does not use random allocation to assign participants to treatment comparison groups” … (read more)
3. treatment effect (clinical impact, estimate of effect, impact) — 113 views
   “Changes (increases or decreases) or differences in health outcomes as a result of treatments” … (read more)
4. research evidence (research findings, research results) — 103 views
   “The findings of studies, including systematic reviews” … (read more)
5.   statistically significant — 100 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)
6. fair comparisons of treatments — 98 views
   “Studies designed, conducted, reported and interpreted to minimize bias and the play of chance in measuring treatment effects” … (read more)
7. prognostic variable (prognostic marker) — 98 views
   “A characteristic or combination of characteristics known to be associated with the course of a health condition” … (read more)
8. effect estimate (effect size, estimate of effect, point estimate) — 95 views
   “A statistical measure indicating the most likely size of a treatment effect” … (read more)
9. change in cost (incremental cost, difference in cost) — 92 views
   “The additional cost, for example, of a treatment in relation to a specified comparison treatment” … (read more)
10. cost-effectiveness (cost-utility) — 91 views
    “The cost of a treatment in relation to its effects” … (read more)