Answer: identification and definition of problem
Explanation: you need to have an in-depth knowledge of everything about the problem you are going to solve. If the group can have an idea of what the problem is , then the problem can be thoroughly research on to know the magnitude of what it has caused, how it has affected and if there is great need or urgency for the solution. The problem definition stage requires the people to do a thorough investigation and this can be done by administering questionnairea, granting interviews and serious logical reasoning. For you to identify a particular problem, you have to know the main or root cause of that problem. Researchers uses different tools based on the type of problem to know the chief cause of a particular problem that needs solving and also they try to find out the impact of the problem.