Ideally this is conducted with your Total Addressable Market, though alternatively you can conduct this among key sub-audiences.

Evaluating whether the core customer-facing benefits of a product idea connect with needs in the market.

When a product is in the early stage of development, before features are fully fleshed out, but when there is a cohesive idea of what the product will do.

To validate whether a conceptual idea will resonate with potential customers, including which parts resonate best and why.

This research typically asks audiences to react to and deep dive on a concept, though there are also revealed preference alternatives to this approach.