The phrase "a statistically significant impact" is correct and usable in written English.
It is typically used in research or analytical contexts to indicate that the results observed are unlikely to have occurred by chance and are therefore meaningful.
Example: "The study found a statistically significant impact of the new drug on patient recovery times."
Alternatives: "a meaningful effect" or "a notable influence".
However, they failed to detect a statistically significant impact of this therapy regimen.
The program did not have a statistically significant impact on cholesterol or blood pressure.
Our analysis indicated that age, income, and comorbidities had a statistically significant impact on survival.
A government summary of the evidence concluded that there was "little evidence in the literature of a statistically significant impact from EU migration on native employment outcomes".
So it will take some time to get to a greater level of certainty here and find a statistically significant impact on social unrest.
Only "complications during the hospitalized phase" had a statistically significant impact among the sociodemographic and clinical parameters on postoperative QOL.
Among Pew's questions about the economy, the only one that had a statistically significant impact on Trump support was a belief that "businesses make too much profit," which bolstered Trump support by six points.
Last year, the organisation's research showed that income inequality has a "statistically significant impact" on economic growth, costing the economy 9% of GDP growth between 1990 and 2010; the US lost 7%.
Using four long-run estimators we also found that nuclear energy consumption has a positive and a statistically significant impact on India's economic growth.
Our findings regarding OPEC announcements indicate an asymmetry in that only OPEC production cut announcements yield a statistically significant impact with the impact diminishing for longer maturities.
The empirical results suggest that the banking concentration has a statistically significant impact on NPL, suggesting that more concentrated banking systems may improve financial stability.
