Personal offices combine Washington legislative work with district or state service and communication. Committee staff concentrate on a policy jurisdiction, while leadership staff coordinate chamber and party strategy. Support agencies such as the Congressional Research Service, Congressional Budget Office, and Government Accountability Office provide institutional expertise in distinct forms.

Staff influence grows from time, information, access, and drafting skill. A specialist may frame options that members adopt, but recommendations remain attributable to elected officials and committees. Staff cannot cast a member's vote or independently exercise subpoena and reporting authority.

Match the task to the staff unit. A constituent's benefit problem belongs in casework; a ten-year legislative cost estimate points to CBO; legal and policy research may point to CRS; evaluation of agency performance may involve GAO or committee staff. "Congressional staff" is not one interchangeable office.

Video lesson: Congressional Committees: Crash Course Government and Politics #7