$67)\_$ defines task identity in the job characteristics model.

A$)$ The degree to which a j ob requires completion of a whole and identifiable piece of work

B$)$ The degree to which work activities generate direct and clear information about performance

C$)$ The degree to which a j ob provides the worker freedom in scheduling and procedure

D$)$ The degree to which a j ob has an impact on the lives or work of other people

E$)$ The degree to which a j ob requires a variety of different activities