It can improve the accuracy of your estimates and support the viability your ideas. But research will usually only back up your findings with general examples, not examples specific to your product. This method will go much further in improving the quality of your business plan than research will. The cost of small-scale testing is minimal compared with the cost of a failed project. In addition, testing provides a realistic appraisal of the quality of your idea.
Testing helps ward off excessive enthusiasm.
It takes time, effort, and some financial resources to conduct tests, but by all means you should try to overcome these challenges. If you are launching a new Web site, testing is essential. Research has shown that if customers don't like what they see on your site during their first visit, they will need a very good reason to come back. Because of this you must make sure that your new site is of proven quality. This type of testing is excellent for evaluating new Web sites, banner ads , or other promotional marketing material.