<span>The absolute threshold is the lowest intensity required and the difference threshold is the just noticeable difference between two stimuli. These thresholds differ by person, but usually have are defined as being able to be detected fifty percent of the time.</span>
Put simply, the difference between a unitary and a federal government is that a unitary government puts its power in one central government while in a federal system the governing power is divided into federal and local governing bodies that connect to the national government.