Seven items (11-point Likert scale from “nothing at all” to “a huge amount”): self-reported learning about continents' origin, marine and terrestrial ecosystems, human history, human impacts, and policy
Post
Measured Learning
Eight true/false quiz questions based on Antarctic tour operators' websites: Antarctic ecological, historic, geology, and management
Pre/post
Satisfaction
Six items (11-point Likert scale from “not satisfied” to “extremely satisfied”): visitor satisfaction with interpretation and education opportunities, length of journey, activities, and excursions, itinerary, and overall service
