Correct application of the method depends on the mind-set and the expertise of the test expert. Concerning the application of the method, emphasis should be put on suitable points and the right choices should be made. In order to be able to provide commodities, Collis has developed ten test principles that describe the mind-set of the result-driven test expert. The test principles constitute a concise and clear statement of the desirable attitude, knowledge and working method of the tester. They also indicate how he can add value and can make this provable within the organisation.

The test principles indicate how the tester will focus, so to say, ‘automatically’ on the intended result. By thinking and acting from the ten test principles, the tester operates in a result-driven way. He makes sure that he applies the test method in such a way, that it will deliver optimal added value for the organization.

The result-driven tester handles the following principles: