Relationships · Data structure
Independent or Paired?
Which observations belong together?
Page 1 of 7 · Big Picture
The big picture: Independent or Paired?
Which observations belong together?
Why a policy analyst should care
Repeated or matched observations share information, and treating them as independent discards the pairing and gives the wrong uncertainty calculation.
Follow the idea from the opening question to a practical decision. These are the conceptual moves this module will develop:
1 Question Which observations belong together?
2 Explore Change the study structure
3 Formalize Two kinds of differences
4 Transfer Protect the design
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