As it relates to Staffing Organizations, what would you consider when trying to decide what criteria to use for gathering indications about task importance?

As it relates to Staffing Organizations, what would you consider when trying to decide what criteria to use for gathering indications about task importance?

In a minimum of 300 word or less: As it relates to Staffing Organizations, what would you consider when trying to decide what criteria (e.g., percentage of time spent) to use for gathering indications about task importance?