Final answer:
During concept testing in new-product development, a product concept is presented in physical or symbolic form to gather consumer feedback.
Step-by-step explanation:
In the concept testing stage of new-product development, a product concept in physical or symbolic form is presented to groups of target consumers. This stage involves getting feedback from the target audience to refine the product concept before proceeding with more costly development stages. Concept testing helps to ensure the product will meet the needs and expectations of consumers and provides valuable information for further development and improvement.