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Question

What are the two main approaches for evaluating interactive systems?

a.

Expert evaluation and peer evaluation

b.

Summative evaluation and formative evaluation

c.

Experimental evaluation and observational evaluation

d.

Prototype evaluation and usability testing

Answer: (b).Summative evaluation and formative evaluation Explanation:The two main approaches for evaluating interactive systems are summative evaluation and formative evaluation. Summative evaluation is performed at the end of the design process to verify whether the product is good enough, while formative evaluation is conducted during the design process to improve the designs.

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Q. What are the two main approaches for evaluating interactive systems?