From Longman Dictionary of Contemporary Englishpsephologypse‧phol‧o‧gy /seˈfɒlədʒi $ siːˈfɑː-/ noun [uncountable] British English technical PPVthe study of how people vote in elections —psephologist noun [countable]
Examples from the Corpus
psephology• The introduction of psephology encouraged the growth of opinion polls as a guide to voting trends.• The fear this must engender day-in, day-out is more important than the minutiae of psephology.Origin psephology (1900-2000) Greek psephos “small stone, vote”; because the ancient Greeks used small stones for voting 