"growing effectiveness" is a correct and usable phrase in written English.
You can use it to describe something that is becoming more efficient or more effective over time. For example: "The organization's growing effectiveness is evident in its steady increase in revenue."
I heard many anecdotes that spoke to the growing effectiveness of the Afghan forces.
But the downing of the Chinook helicopter, which killed 16 soldiers, brought the insurgency to a new level and suggested its growing effectiveness.
But consider: Is the supply of terrorists driven more by growing Palestinian anger in response to Israeli actions or instead by the growing effectiveness of the terror tool?
The raids allowed the rebels to boast of their growing effectiveness, undercut the morale of government forces and reinforce their arsenals.
Operations this spring in Basra, Baghdad, Mosul and elsewhere -- though not always smooth -- have demonstrated the growing effectiveness of the Iraqi army.
As Mr. Sarubbi points to improved crime statistics and the growing effectiveness of other new policing programs, advocates of home rule say that it is time to turn the reins back to the police department.
Growing strength and effectiveness of the world's communication system is empowering communities and they are no longer willing to accept development options that appear inconsistent with their values and aspirations.
Clinical evidence is growing for effectiveness of HBOT treatment in patients with chronic diabetic foot ulcers and should therefore be considered for patients not responding to standard wound care.
As Michael, the owner of a domestic-furnishings business married to Ms. Lahti's writer and scholar, Veronica, Mr. Stott gives an astute, funny and psychologically nuanced performance that grows in effectiveness as his character moves from the margins of the play to the center.
Brands can monetize and grow their effectiveness and partnerships develop in fan engagement.
The strategy, adopted this year after months of internal debate, is to train and equip moderate, pro-Western factions among the rebels, and hope they grow in effectiveness and influence.
