Look for
Common interfaces
What lets observations made in different places or by different people become comparable?
One way alignment happens
Measurement and criticism
How can different observers contribute to a common epistemic process without simply becoming alike?
Collective knowledge can depend on interfaces that make different claims comparable while preserving enough independence for error to be detected and corrected.
Try seeing it
Share the test without requiring the answer to be shared.
Common units, measurement procedures, evidentiary standards, and reporting conventions allow information from different observers to be combined.
Criticism, replication, contestation, and competing explanations then allow disagreement to become useful rather than merely fragmenting the system.
Look for
Independent error
Which differences among participants allow one observer to catch what another missed?
Look for
Correction channels
Can anomalous evidence, criticism, or failed replication actually alter the larger conclusion?
A characteristic failure
Consensus can outrun information.
A group can converge because participants repeatedly encounter the same information, defer to one another, or suppress observations that do not fit the emerging view.
The resulting agreement may be socially stable while epistemically brittle.
A useful perturbation
Keep the shared standards but remove the possibility of disagreement. What kind of knowledge can the system still produce?
The answer helps separate epistemic coordination from mere convergence.