Which One Is the Better Deal?
Evaluate value using unit pricing, sunk cost awareness, expected value, and framing to pick the better deal.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: You can buy 12 energy bars for $18 or 20 for $30. Which is the better unit-price deal?
They are different but unclear
12 for $18 is better
20 for $30 is better
Choose the smaller pack to avoid waste
Question 2: A streaming service offers 30% off a yearly plan or 10% off monthly payments. Which mindset helps decide which is better?
Avoiding all discounts
Sunk cost mindset
Unit cost and time horizon
Maximizing features
Question 3: A store sells 500 mL juice for $2.20 and a 1.5 L bottle for $6.00. Which evaluation reveals the better deal?
Calculate price per liter
Pick the smallest to avoid spoilage
Buy randomly to diversify
Compare total cost only
Question 4: You bought a $100 nonrefundable concert ticket but feel sick the day of; staying home saves $20 in travel and parking. What principle explains whether to go?
Sunk cost fallacy
Availability heuristic
Zero-sum thinking
Anchoring bias
Question 5: Two warranties: one costs $40 for 2 years, another $20 per year. Which evaluation finds the better warranty deal if you want coverage for 3 years?
Always choose the cheaper upfront option
Choose the longer warranty regardless of price
Compare total cost for three years
Pick the lower yearly sticker price