Which Statement Is False Concerning the Different Observation Methods

Multiple Choice

Which statement is false concerning the different observation methods?

A) The degree of disguise is low in the case of audits,as it is difficult to conceal the identity of auditors.
B) The ability to observe in a natural setting is low in trace analysis because the observation takes place after the behavior has occurred.
C) Mechanical observation can vary widely from low to high structure depending upon on the methods used.
D) Observation bias is high in the case of mechanical observation because a human observer is involved.