Acknowledgements and Attributions

This textbook is remix completed by Kelly Soczka Steidinger at Mid-State Technical College in 2025 and retitled Navigating Milestones: A Comprehensive Guide to Developmental Psychology. The text was remixed, revised, and edited from the sources listed below (see remix attributions). This text was made possible through funding provided by an Open Educational Resources (OER) grant awarded by the Wisconsin Technical College System and Mid-State Technical College.

A tremendous thank you to Dr. Deborah Krause for serving as the peer reviewer of this text. An additional thank you to the Mid-State Technical College students who openly licensed their concept maps provided in this text. These students include: Andrew Basinski, Rachel Kurszewski, and Samantha Long. 

The cover image for the textbook was constructed by Kelly Soczka Steidinger with Canva and an openly licensed image from Pixabay.

Navigating Milestones: A Comprehensive Guide to Developmental Psychology Copyright © 2025 by Kelly Soczka Steidinger is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

What is a Remix?

A remix is the process of “adapting, reorganizing, and remaking existing resources to create something new” (Katz, 2004, para. 1). This text was created using this process. In conjunction with adapting, reorganizing and revising content, the text contains updated introductory paragraphs, images, statistics, references, and examples.

Remix Attributions

Lifespan Human Development Copyright © 2023 by The Human Development Teaching & Learning Group and Meredith Palm is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

Lifespan Development © 2024 by OpenStax, which is licensed under Creative Commons Attribution-4.0 International License.

Lifespan Development: A Psychological Perspective (4th ed.). © 2023 by Lally Marth and Suzanne Valentine-French is licensed under Creative Commons Attribution-4.0 International License.

Psych 2e © 2024 by OpenStax, which is licensed under Creative Commons Attribution-4.0 International License.