What do school classes, cancer prevalence, and journeys have in common? Size! Be it number, proportion, or duration, size matters. Or does it? Taking the association between class size and academic performance as a primary example, this episode takes a deep dive into sample size and provenance. Find out where these seemingly abstract notions influence your daily life as well as your worldview! If you want to learn more, head to dbojar.com/category/podcast/.