Download our Spacing Guide with practical strategies and research!

It's a brand new year. That means a brand new Spacing Guide to improve students' long-term learning! We're pretty excited.

Written by cognitive scientists, take a moment and download our free Spacing Guide, full of practical spacing strategies – and the research to back it up.

Could you spread the word about our new Spacing Guide? Let's get cognitive science into the hands of teachers – share it on Twitter and Facebook. Enjoy!

Announcing our NEW Spacing Guide!


Spacing is a powerful strategy that boosts learning by spreading lessons and retrieval opportunities out over time so learning is not crammed all at once. By returning to content every so often, students’ knowledge has had time to rest and be refreshed.

When we teach and students study, we often focus on short-term learning. But with spacing, students' long-term learning dramatically increases. Spacing also comes with more than 100 years of research to back it up. We love it because it's not only effective, it's practical and easy to implement

In our new Spacing Guide, learn about what spacing is, why it works, and how to implement it in the classroom. In just 12 pages (and free!), it's a resource we hope you'll read, share, and put into action for you and your students.
Did you know we have 4 guides (plus translations), with more on the way? Download them from our libraryTeachers Pay Teachers, and Google Drive. Do you have an idea or topic you'd love to see us cover? Let us know! We're passionate about getting rigorous research into the hands of educators and we need your help to make it happen. Don't be shy – email usfollow, and like


Lead Author: Shana K. Carpenter, Ph.D.
Associate Professor, Iowa State University


Shana K. Carpenter, an associate professor at Iowa State University, is the lead author of our new Spacing Guide, co-written with our founder, Pooja K. Agarwal, Ph.D. As a worldwide expert on the benefits of spacing for learning, Professor Carpenter has dedicated her research to the use of evidence-based techniques that enhance student learning.

She has published numerous articles on retrieval practice and spaced practice, along with other effective techniques that enhance learning and transfer of a wide variety of information in educationally-relevant settings.

Professor Carpenter earned her Ph.D. at Colorado State University. Her research has been supported by the National Science Foundation and the James S. McDonnell Foundation. She currently serves as Associate Editor for the Journal of Applied Research in Memory & Cognition.