Confirmation bias in the cockpit means:

Confirming ATC instructions by readback

Confirming the checklist is complete

Seeking information that confirms pre-existing beliefs while ignoring contradictory evidence

Correct

Verifying instrument readings with the other pilot

Explanation

Confirmation bias leads pilots to interpret information in ways that confirm existing expectations, potentially missing important warnings or cues.

Test yourself with random questions from Operational Procedures and all other ATPL subjects.