Type of studies

Question 1

Case reports

Answer 1

Not a comparison study
Look at article that describe an individual case (maybe with a few people) like a story…
if many case reports happen you want to later do a case-control study, which will look at the relationship btw relvant variables
not considered evidence based

Question 2

Case- Control study

Answer 2

Comparison study between group of people who have something (case) and not (controls) ..
observational - not interventional

Question 3

Cohort-study

Answer 3

Comparison group , you follow a study with 1 or more samples followed prospectively and to find an initial experimental factor with a disease. It’s cheaper than RCT but its not randomized

Question 4

RCT

Answer 4

Randomized clinical/controlled trial
Randomy assigns participants into an exp group and a control group.. outcome depend vairable is whats measured.
Should be one population study.

Question 5

Systematic review

Answer 5

document writen to provide review of all relevant studies on particular topic
in it you can use all forms of studies. published and unpublished studies with cohorts and rct…

Question 6

Meta analaysis

Answer 6

Bunch of systematic reviews to combine to form 1 conclusion out of the evidence.. highest stat power.
Most best study to use for many meta is many RCT