Which of the following statement is incorrect about conducting a work study?
A. Never give a direct order to a worker.
B. Always refer worker's questions to the supervisor.
C. Only express opinions to workers when necessary.
D. Seek the supervisor advice whenever possible.
The incorrect statement is option is: B. Always refer worker's questions to the supervisor is incorrect.
While it is important to involve the supervisor in the work study process and seek their advice whenever possible (as stated in option D), it is not always necessary to refer the worker's questions to the supervisor. In fact, as part of conducting a work study, it is important to communicate directly with workers to gather information about their work processes, identify potential areas for improvement, and obtain feedback on proposed changes. Therefore, it is not incorrect to communicate with workers and answer their questions directly, as long as it is done in a respectful and professional manner.