b3-both-fallacies {ctfepi}sealed case file
Both Fallacies
Case B3, The Map in the PaperCross-Sectional and Ecological Studiesscene 5insane800 pts
Case
A newspaper map links district salt sales to stroke; you test what district data can and cannot say.
What this scene will ask
A multilevel cross-sectional dataset where within region and between region associations differ.
Planned flag: sorted IDs of regions whose within region association has the opposite sign to the between region slope; ICC, 3 dp.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.