The Development Phase~

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In the development phase, the course content described in the design phase is transformed into a complete instructional training program.   The development of the course material involves creating learner activities, choosing an instruction method, reviewing existing material, and developing the instruction (Clark, 2010).  Instructional designers need to also address many aspects outside the design of the course material.  These include establishing budgetary costs, meeting deadlines, obtaining written agreements, providing examples of coursework, finalizing course approval,  pilot-testing the finished product, and training facilitators to teach the instructional session with a separate train-the-trainer teaching session (Hodell, 2011). 

Clark, D.R. (2010). Development phase in instructional design. Retrieved from: http://www.nwlink.com/~donclark/hrd/sat4.html.

Hodell, C. (2011). Isd from the ground up. (3rd ed.). Chelsea, MI: Sheridan Books, Inc.   

This blog, http://joelleegardner.blogspot.com/2012/02/addie-process-development-phase.html is very helpful in bettering your understanding of the development phase of ADDIE.  The author, Dr. Joel Gardner is a teacher of instructional design and instructional theory.  He guides the reader through the process of creating the materials planned for in the design phase.  This site also allows the user to review other aspects of the ADDIE instructional design system as well as link to some popular posts on ISD and the ADDIE model.

I also came across this article, http://www.uwsa.edu/ttt/thompson.htm, written by Nadeen Thompson, Program Development Specialist at the University of Wisconsin about the benefits of using an instructional design model for planning instruction. She explains well the dynamic process and fluidity of movement through the phases in the creation of final product.