Final answer:
The personal involvement of the developer when experts compare the target product to completed products is typically high, as they engage in prototyping, testing, and refining the product.
Step-by-step explanation:
Experts compare the target product to completed products to evaluate the quality of a design and ensure the product meets the needs of various stakeholders, including consumers, regulators, and suppliers. The personal involvement of the developer in this process is typically high personal involvement, as they are often deeply engaged in the iterative process of prototyping, testing, and refinement to achieve a successful product. This involvement includes addressing feedback from different test groups and considering the attributes of the product which may affect consumer satisfaction in different scenarios such as fluctuating gas prices for a car.