According to market research that revolutionized mathematics textbook packaging in the 2010s, which feature was found to most significantly increase adoption rates of college-level math textbooks?

The mathematics textbook market is a unique segment in educational publishing with distinctive marketing strategies and product development cycles. Publishers must balance academic rigor with accessibility, while navigating adoption cycles at educational institutions. This poll tests your knowledge about a notable market research finding that changed how mathematics textbooks are packaged and marketed to different educational levels.

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Including interactive digital supplements with step-by-step problem solutions
Using brightly colored covers with abstract mathematical imagery
Including historical biographies of famous mathematicians
Reducing overall page count by removing supplementary practice problems