The ADDIE model is an acronym: Analysis, Design, Development, Implementation, and Evaluation.
It’s a five-phase framework that instructional designers use; a guideline for building effective training and learning support tools.
In today’s fast-paced learning environments, the AGILE method is often seen as more efficient than ADDIE.
Reference: The Ultimate Glossary of eLearning Terms
Furthermore, Find out What Does ADDIE Stand For on Twitter
This reminds me of the Needs Analysis phase of the ADDIE Instructional Design model, where the goal is to develop deep understanding of who the learners in order to design training that will get them to achieve desired learning objectives.— Ryan Gibson (@RyanGibsonEDU) March 6, 2019