Sandra owns a chain of restaurants and wants to know which of several possible new menu items would be most enticing to her customers. She invites small groups of customers to sample each of the dishes and give feedback. Which problem-solving format is Sandra using

Sandra is using the focus group format.

Explanation:

A focus group can be referred to as a market research method or a problem solving format which makes use of the feedback from a group of small people (usually but not limited to 6-10 people) in regarding a particular product, a service, a concept, or a marketing campaign.

In Sandra's case, she acts as the moderator as she's the one who will lead the discussion within the group that is designed to gather helpful information

Focus groups are helpful in market research because they involve gathering of a particular set of target audience opinions and attitudes about certain products, services or concepts.

This feedbacks and reports from this are usually used in enhancing the quality of a product.

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