Which term describes an attempt by marketers to lengthen the product life cycle?

• A. Market development.
• B. Diversification.
• C. Extension strategy.
• D. New product development.

Answer: (C)

Extending the product life cycle means taking steps to keep a product selling well even as it ages, delaying the decline phase. The best term for this is extension strategy, because it directly describes actively refreshing or reviving an existing product to reach new demand—through tweaks to the product, finding new uses, entering new markets, or changing packaging, pricing, or promotion to spark renewed interest.

Other approaches describe different growth paths: using the same product in new markets is market development, entering entirely new product areas is diversification, and creating completely new products is new product development. None of those specifically focuses on lengthening the life of the current product.