What is "research-based intervention program"?
It sounds as though s/he is unconvinced of the validity of your conclusions, and is attempting to tell you so without actually saying it! If this is so, then addressing this comment means providing more information on why your solution to the problem should be prefered over other potential solutions. 

Note that I am not familiar with the term in this context--research-based intervention usually refers to targeted interventions/actions in education or medicine.