Which of the following is least likely to be a problem when measuring changes to the quality of working life subsequent to the implementation of an information system?

a. Different groups within an organization have a vested interest in how the quality of working life is defined

b. Users are unlikely to be forthcoming in terms of how an information system has affected their quality of working life

c. Few instruments with high validity and reliability are available to be able to measure changes to the quality of working life

d. Employees could inflate their ratings of the quality of working life if they have expectations of better things to come