Graph comparing pre-electoral voting intention with actual results of GE14/GE15. Source: Vote/seat (%) (GE14/15: Election Commission, before GE15: various news reports) and vote intention (Survey 1).

Graph from article shows a comparison of pre-electoral voting intention with actual results of GE14/GE15.
Source: Vote/seat (%) (GE14/15: Election Commission, before GE15: various news reports) and vote intention.