Answer: The correct answer is d. Independent checks
Explanation: TIPS: Independent checks on performance are control procedures to prevent fraud in organisations.
The checks may be carried out by employees who did not do the work being checked, supervisors or internal auditors.
Independent checks helps to ensure the the efficiency of operations. To achieve this job rotations are encouraged as well as vacation of employees in order for the roles to be played by other employees and the checks done.
With the knowledge of this checks, employees will be more careful knowing that their work will be reviewed hence the theory postulated.