How does the ADDIE model contribute to long-term success in training programs?

The potential consequences of the ADDIE model's rigidity and linearity include it being time-consuming and costly. It also doesn't lend itself to iterative design because it's not as flexible to adapt to changes. This could potentially limit the effectiveness of the learning process if changes are needed during the design and implementation stages.

The ADDIE model supports the structure of a training process by providing a systematic approach to instructional design. It is a framework that lists generic processes that instructional designers and training developers use. It represents a guideline for building effective training and performance support tools in five phases which are Analysis, Design, Development, Implementation, and Evaluation. However, it's important to note that while ADDIE is a common model in the field of instructional design, it can be rigid and linear, and may not be as flexible to adapt to changes.

When deciding to use the ADDIE model for a training program, one should consider its advantages and disadvantages. Advantages include its common usage, proven effectiveness for learning, wide acceptance, and easy measurability in terms of time and cost. However, the model can be rigid and linear, as it was originally intended to be followed in a set order. It can also be time-consuming, costly, and less adaptable to changes due to its lack of flexibility for iterative design.