Psephology - there's a new word (to me at least!) From the Greek for 'pebble' which were cast in ballots. It would appear to be the study of voter intent, based on opinion polls, historical trends & financing. Now I am no expert in statistics, odds and outcomes but even I can see that a lot of noise is being made and a lot of people kept busy for remarkably little movement in the current UK election. The only thing they do seem to agree on is that the age of two party politics is over and the age of varying forms of coalition is the future.
Which is 'interesting' as we were always taught that first past the post politics avoided the messy coalitions that proportional representation would bring. That's a thought for another time I suppose...