Which of the following procedures is the least effective in gathering information about the nature of the processing and potential problems?
A. Interview supervisors in the claims department to find out more about the procedure used, and the rationale for the procedures, and obtain their observations about the nature and efficiency of processing.
B. Send an email message to all clerical personnel detailing the alleged problems and request them to respond.
C. Interview selected clerical employees in the claims department to find out more about the procedures used, and the rationale for the procedures, and obtain their observations about the nature and efficiency of processing.
D. Distribute a questionnaire to gain a greater understanding of the responsibilities for claims processing and the control procedures utilized.