After formulation intervention is planned to solve out the problem and to create social change in the society.

1.       After formulation intervention is planned to solve out the problem and to create social change in the society. A hypothesis is drawn to check the cause and effects of issues by using different ideas to solve the problems. Next step is intervention activity and in this step hypothesis is test weather is true or not for the specific condition. After this step last step is evaluation in which detailed summary explained the whole issue which details. We can say that intervention is the process which is used to solve the problems.