Entrepreneurs as scientists? If so, how?

I read a really interesting article today in Portuguese:

O Cientista Empreendedor – Transformando idéias em negócios

In this article, the author Venancio Velloso discusses how entrepreneurs can develop their businesses by being more like scientists. Now I am still learning Portuguese, and also you can not always rely on Google or other translators for really good quality translations, but here I think is the gist of his argument.

• Many startups create a business plan but then fail to find funding and investment for their ideas
• Could the development of a business plan be over-rated?
• The main reason why a business survives is by generating an income
• Often business plans fail to accurately reflect reality, and hence many businesses fail when predicted incomes fail to be generated
• The best way to prove a hypothesis (the assumptions in a business plan) are to test them
• One of the best examples of…