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Confidence Through Engagement
zyBooks vs. Traditional Textbooks
- With a single lesson, zyBooks improved student performance by 16%
- Least-prepared students improved by 64%
- Students self-reported significantly higher levels of engagement with the zyBook
- Students voluntarily spent twice as long with the zyBook, even though the zyBook had half the text
- 96% of instructors polled recognize zyBooks for boosting their students confidence with the subject matter

Improve Grades
zyBooks improve student letter grades up to ⅔
- Across 4 courses at 3 universities (Univ. of Michigan, Univ. of Arizona, and UC Davis)
- Comparing students in the same course that switched from traditional textbook to zyBooks, with the same instructor and semester of year
- Students using zyBooks: more As and Bs, fewer Ds and Fs
- zyBooks significantly improved exam and project grades

Motivate Reading
How Many Points Should Be Awarded for Interactive Textbook Reading Assignments?
- Will students read if awarded points? Yes, 74% more
- Will students “cheat” system to get points? No, most students will be earnest
- How many points should be awarded? 5 – 10 points in total (out of 100 course points)

Smaller, Smarter Textbook
Students Learn More with Less Text that Covers the Same Core Topics
- Students learned 118% more in a single-lesson with minimal text
- Minimal text not watered down, instead convey same ideas with minimal words. Reducing is hard
- Methods: Avoid extra words/phrases, use declarative sentences, move text to tables when appropriate
- Students self-reported preferring minimal text significantly more
