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Evaluation is the process of examining a multimedia product to determine what's working, what's not working, and why.

It tests whether a multimedia product fulfils the user requirements and suggests necessary improvements to make the product useful for its target audience.

Types of evaluation

Formative

Formative evaluation is done as a continuous process in the development of a multimedia product. It is a method for evaluating the worth of a program while the program is being developed.

Summative

A summative evaluation is a method of judging the worth of a multimedia product at the end of the product design (summation). The focus is on the outcome.