The process of evaluating and refining a multimedia product (prior to a public release) by soliciting feedback from a sample population of users is called .

The correct answer is: usability testing.

Explanation:

Usability testing is mostly used in Computer Science to measure the ease of use of the software. With the help of prospective and skilled end-users, different tasks are requested to be completed to the team conducting the research can observe what those individuals struggle with to find ways to improve those features. Usability testing follows this process:

answer; work samples;