Causal impact Summary This glossary contains definitions of technical and marketing terms referenced across DAO.AD documentation. Definition Causal Impact is a method of proving that something has happened or is happening because of something else – e.g. that revenue increased because media spend increased. As an example, incrementality testing is a causal study, which indicates that one event is caused by another event. Used in Statistics API Campaign Management API Last Updated 2026-07-05 · Owner: wiki@dao.ad