Evidence-Based Practice / Unit 6 EBP 0829 short lesson, about 20 seconds
The Two-by-Two Table
Captions available
The idea
A two-by-two table sets those who had the outcome against those who did not, in rows for each group or condition.
In practice
Four cells: outcome and no outcome, for each of two groups.
Where people slip
Every measure in this strand comes out of those four numbers. Finding them in a paper is most of the work.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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