However , they are also possibly subject to a higher margin of error as early voters are given a higher preference than in exit polls .
Estimates provided by entrance polls can be obtained more quickly than those of exit polls because the people can be questioned earlier .
People are also possibly subject to a higher margin of error as early voters are given a higher preference than in exit polls .
Estimates provided by entrance polls can be obtained more quickly than those of exit polls because the people can be questioned earlier .