# Foundational learning theories

The foundational learning theories—behaviorism, cognitivism, and constructivism—form the backbone of modern instructional design. Each offers a distinct lens for understanding how people learn and how training should be structured.

[**Behaviorism** Discover lessons▸](https://bcltraining.com/learning-library/behaviorism/)  
[**Cognitive learning theory** Discover lessons▸](https://bcltraining.com/learning-library/cognitive-learning-theory/)  
[**Constructivism** Discover lessons▸](https://bcltraining.com/learning-library/constructivism/)  
[**Comparing the theories** Discover lessons▸](https://bcltraining.com/learning-library/comparing-the-theories/)

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