when, in fact, jobs differ across and within organizations; and its dependence on key jobs as anchor points. “To the extent that one or more key jobs change over time either without detection or without correction of the scale, users of the job comparison scale...
“To the extent that one or more key jobs change over time either without detection or without correction of the scale, users of the job comparison scale are basing decisions on what might be described figuratively as a badly warped ruler.” On the positive side, factor comparison requires a ...