Selective attention allocation refers to allocating our mental focus to observe one specific things while ignoring the others.
In information gathering, selective attention tend to resulted in a much more efficient results but it tend to slow our response if another stimulus arise during the process.
the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.