The process of learning by making mistakes and by trial and error is called

Trial and Error learning is a method only advisable where the solution is the only important aspect for the problem at hand. Should not be used or cannot be used for specific cases where the solution is needed given in a limited number of chance or trial. By making mistakes, error, and trying out to possibilities or potential solutions, one is able to eliminate one by one possible factors / solutions to the problem until the correct solution is found.