What Is Necessary for a Prototype to Be Effective

Multiple Choice

What is necessary for a prototype to be effective?

A) It must be a working model of the product or service.
B) It must communicate what our ideas look like, behave like, and how they work.
C) It must be the same as the model that will be launched at the start of the business.
D) It must include engineering models or, for a service, an operational plan.