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Tokens of Appreciation

June 8, 2021


I want to offer a special thank you to Ms. Michelle Cosley, undergraduate within the online Bachelor of Science degree in Psychology program, for her edits of the 1st edition during the spring 2020. Her changes, and my own, are integrated into the 2nd edition of the book and are a dramatic improvement over the 1st edition. Thank you, Michelle.

And now to my reader. I hope you enjoy the book and please, if you see any issues whether typographical, factual, or just want to suggest some type of addition to the material or another way to describe a concept, general formatting suggestion, etc. please let me know. The beauty of Open Education Resources (OER) is that I can literally make a minor change immediately and without the need for expensive printings of a new edition. And it’s available for everyone right away. If you have suggestions, please email them to me using the email on the title page.

Enjoy the 2nd edition of Principles of Learning and Behavior.

Lee Daffin


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Tokens of Appreciation by Washington State University is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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