Answer:
Causal research
Step-by-step explanation:
When a company needs precise answers about the effects of various proposed marketing actions on important outcomes , Causal research should be used .
Causal research is a type of research in which there is a investigation on cause and effect relationship.
Causal research is a important thing. In causal research the problem is clearly define causal research allow replication if there is a need of do so.Causal research helps in identifying the channel of causal.
But causal research does not support the discovery of other factors which also important , it also doesn't reveal the resource used .