*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Item Response Theory for Creativity Measurement/en-ca/item-response-theory-for-creativity-measurement/126BA1FA-640B-4F75-AEA1-308DBF058C96.html126BA1FA-640B-4F75-AEA1-308DBF058C96