Inspection
examining docs, records, tangible assets
Observation
observing a process or procedure
Inquiry
(written or oral) with a knowledgeable source
confirmation
(written, electronic, or oral) response from a 3rd party
recalculation
checking mathematical accuracy (highly reliable because auditor created)
reperformance
auditor reperforms procedure or control
analytical procedures
plausible relationships among financial and nonfinancial data
scanning
auditor review of accounting data to identify unusual or significant items to test
test of controls:
inquiries inspection (docs, files) observations (process, application of control) walk-throughs reperformance of the control