The stage of the new product development process can involve the development of a prototype for alpha or beta testing.

Product development

Explanation:

Product development is the initial stage of a product's life cycle. It involves surveying the market and collecting of information regarding the needs of the market.

Surveying the market is done in order to check whether the product will sell in the market or not. The information collected from people is done in order to design the product according to the people's demands.

After the product has been designed and fabricated it is put to test. The test's check whether the product is performing according to the specifications.

Alpha testing is done by the developers of the product itself.

Beta testing is done by people that are not involved in the production process.

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