Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
An observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute.
1
vote
4
answers
385
views
Valid conclusions from simple case?
If I have an experiment documenting the recovery of 1,000 patients who were given access to a medication.
Results:
MEN taking the drug.
2 out of 2 recover (100% recovery).
MEN not taking the drug.
…