The phrase "all that effective" is correct and usable in written English.
It can be used to express a degree of effectiveness, often implying that something is not as effective as it could be.
Example: "The new marketing strategy was implemented, but it wasn't all that effective in increasing sales."
Alternatives: "not very effective" or "somewhat effective".
"They're not all that effective".
Sanctions aren't usually all that effective.
It's unclear whether Avery Johnson has the personnel to make any defensive system all that effective — the Celtics' coaching staff looks a lot smarter when Garnett is on the court.
"We Americans went into a cocoon" that was "not all that effective, truthfully," he added, recalling German friends of troops at the Grafenwoehr base in Bavaria who wept when invited back to the base for a beer festival in 2004.
Even if the Fed does act, more monetary stimulus may not be all that effective, given that the central bank has pumped so much money into the economy already.
But nowhere in the 28-page document does the UK government, once considered the bastion of sound, evidence-driven, effective aid spending, even pay lip service to the most important principle of all: that effective aid is about partnerships, relationships and ownership.
Through this NATO-funded system, early warning data from one ally can be sent to another ally fielding an interceptor to protect deployed forces against attack, making these national capabilities all that more effective and at far less cost.
But, in the medium term, it might not be all that much more effective.
Still, hubris and all that: this newly effective coalition could be shattered if taken for granted.
For all that has been effective in the implementation of interventions to prevent and treat NCDs within the primary health care system in Malaysia, there are some limitations.
However, there was a broadly shared vision across all stakeholder groups that effective structure, organisation and governance be in place for networks to be well-established and effective in achieving health system outcomes.
