What Is the Disadvantage of Using Critical Incidents as a Job

What is the disadvantage of using critical incidents as a job analysis method?

A) Because the events describe particularly effective or ineffective behavior,it may be difficult to develop a profile of average job behavior.
B) This method is inappropriate for jobs hazardous to perform.
C) It is inappropriate for jobs that can be learned in a short period of time.
D) Rapport between analyst and respondent is not possible unless the analyst is present to explain items and clarify misunderstandings.