Learning theory is the study of how people learn. Instructional Design Theory is the study of how to best design instruction so that learning will take place. Instructional design theory, then, is drawn from learning theory.
There are many Instructional Design Models that have been researched upon and proposed out. Some most popular of them are as below.
ADDIE (Assess – Design – Develop – Implement – Evaluate):
Perhaps the most popular, common and straightforward ID model. Most of the current instructional design models are variations of the ADDIE process.