House effects
Réussis tes devoirs et examens dès maintenant avec Quizwiz!
house effects
A tendency of a particular polling companies polls to skew a particular direction - mostly due to variations in survey methedology - Could be a slight skew towards dems or GOP but also more or less natrual variation
Existence of house effects is one reason to
Compare same pollsters polls over time aggregate polls results
Good Social Science
you would rather have more data then less and data overtime rather than just a single point