For a population of 100,000 it is sufficient to survey 600 people.

Polls explain, not predict. They are instruments that have limits and collect answers from people who may or may not be telling the truth.

At this stage, the result is irreversible. ... We have to be honest about reality.

Latin America is addicted to polls. The media publishes anything. They don?t filter [the polls]; they?re not demanding with the pollsters. In addition, there are different ways of looking at the same poll.

There's very little chance for Lourdes.

The thing is so tight that euphoria and depression are going hand in hand with both of them.