The phrase "acknowledged that the study" is correct and usable in written English.
You can use it when referring to someone recognizing or accepting the findings or implications of a study.
Example: "The committee acknowledged that the study provided valuable insights into the issue at hand."
Alternatives: "recognized that the research" or "accepted that the analysis".
Ms. Wade acknowledged that the study could have been seen as more than it was, given what the administration has said about drilling.
They acknowledged that the study, which appears in the July issue of Clinical Gastroenterology and Hepatology, may have been biased by unknown differences between the two groups.
Auerswald acknowledged that the study was relatively small, but its findings are in line with other data in Europe and the U.S. that reported deaths of youths as subsets of studies of the general homeless population.
The group cited a University of Pennsylvania study that predicted higher anesthesia-related death rates under nurse anesthetists, but the association acknowledged that the study did not strictly compare supervised versus unsupervised care.
Still, she acknowledged that the study had not proven that ephedra was safe for everyone, but only that healthy people seem to be able to safely lose weight if they do not exceed the recommended dosages.
The authors acknowledged that the study was not a randomized trial, that the questionnaire did not assess duration of aspirin use, and that the participants were all postmenopausal women, most of whom were white.
The authors acknowledge that the study has certain weaknesses.
The authors acknowledge that the study has certain limitations.
The authors acknowledge that the study results could be partly explained by unmeasured illness in the group given samples.
The authors acknowledge that the study, published in the April issue The Journal of Urology, was small and retrospective.
The authors acknowledge that the study is retrospective and subject to errors of classification of breed and disease.
