Final answer:
The statement is True, as test marketing indeed serves as a scaled-down launch of a product using the full marketing mix to gauge the effectiveness and make adjustments before broader release.
Step-by-step explanation:
The statement, "True / False: Test marketing is a sample launching of the entire marketing mix," is True. Test marketing involves using a controlled yet live environment to launch a product or service on a limited scale, allowing companies to measure the viability of their marketing strategy, which includes the product, price, place, and promotion. This step is crucial because it helps the company to identify any issues with the marketing mix before a full-scale launch. Test marketing acts as a practical rehearsal and a prelude to a wider release, aimed to detect potential failures and to gather consumer feedback. It is a valuable method used to fine-tune marketing strategies, adjust the product offering, set appropriate price points, develop effective promotional tactics, and choose the right distribution channels.