Which of the Following Is Known About People Who Work

Which of the following is known about people who work on rotating shift schedules ("shift workers") compared to people who work the same shift all the time?

A) Shift workers have more accidents and are less productive.
B) Shift workers are more likely to have accidents, but are more productive.
C) Shift workers are more likely to have accidents, but are equally productive.
D) Shift workers have fewer accidents, but are less productive.