In the early stage of development, the research and development or engineering department may develop a prototype of the product.

a. True

b. False

True.

This process is called Prototyping. To ensure that initial solutions and findings for the problems to be solved effectively, prototypes are developed. These prototypes are being presented to the respondents and they will evaluate it if it's really answering to the problems of the study. If not, further improvements will be added to the prototype until problem is met.