The phrase "additional testing is needed" is correct and usable in written English.
It can be used when indicating that further examination or evaluation is required in a particular context, such as scientific research or product development.
Example: "Before we can finalize the results, additional testing is needed to ensure accuracy and reliability."
Alternatives: "further testing is required" or "more testing is necessary."
And this will take time; additional testing is needed to ensure the safety and effectiveness of each new generic before it is approved.
The diagnosis is confirmed by elevated creatine kinase levels, but additional testing is needed to evaluate for potential causes, electrolyte abnormalities, and AKI.
It is believed that a combination of structural analysis of components and material parameter quantification is a path to effective failure prediction in UHMWPE total joint replacement components, though additional testing is needed to verify the rigor of this approach.
suggest that the Wem procedure may prove useful also in climatic regions with relatively strong seasonal forcing, but additional testing is needed to verify the range of model applicability.
Additional testing is needed to determine accurate reduction factors.
(5) Additional testing is needed to determine accurate reduction factors. .
Then, a few days before Christmas, the agency announced that the monorail would not be back in service at least until late January, explaining that additional testing was needed.
On Sept. 1, President Clinton announced that additional testing was needed before he could have enough confidence in the technical feasibility of national missile defense to authorize the start of construction.
The original launch date was pushed back by two weeks and then delayed again after officials said additional testing was needed.
If the screening test was positive, additional testing was needed to make sure that it was not a false-positive result.
A propagated error, associated with a ratio of outliers can be very significant and an additional test is needed to evaluate its neutralization by aggregation of multiple datasets in a panel.
