From King Dictionary of Contemporary English
Related topics: Voting
psephologypse‧phol‧o‧gy /seˈfɒlədʒi $ siːˈfɑː-/ noun [uncountable] British English technical PPVthe study of how people vote in electionspsephologist noun [countable]
Examples from the Corpus
psephologyThe 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