A concept test is an

Multiple Choice

in$-$house computer simulation of the new product that closely resembles the actual product to forecast sales.

internal evaluation that consists of preliminary testing of a new$-$product idea using a mock$-$up or prototype of the new item.

in$-$depth questionnaire filled out both by internal marketing personnel and external customers to ensure that the final product meets all the needs expressed in the original product plan.

internal evaluation among members of the entire cross$-$functional new$-$product development team that consists of preliminary testing of a new$-$product idea rather than the actual product.

external evaluation with consumers that consists of preliminary testing of a new$-$product idea rather than the actual finished product.