The phrase "a study evaluated" is correct and usable in written English.
It can be used when referring to research that assesses or analyzes a particular subject or phenomenon.
Example: "A study evaluated the effectiveness of the new teaching method on student performance."
Alternatives: "a study assessed" or "a study analyzed".
A study evaluated the safeguards across the 28 member states, and awarded Ireland top marks across five categories.
A study evaluated RTF data from these two sources and health-care based reports of injuries were found to be higher than police-data reports (Kudryavtsev et al. 2013).
A study evaluated the (preliminary) effects on pedestrian behavior of the installation of a second train warning train-activated signal at a highway-rail crossing near the Vernon Avenue Station on the Los Angeles County Metropolitan Transportation Authority's Metro Blue light rail transit line [19].
Finally, a study evaluated the longer term pharmacokinetics of multiple doses of bazedoxifene.
A study evaluated the different vitamin D receptor polymorphisms in children with UTIs and those with a history of UTI.
If a study evaluated two related drug program tools, the study was categorized on the basis of each program type.
Further support comes from a study evaluating a different group of 15 cocaine-dependent subjects and 18 control subjects.
The results from a study evaluating the performance of the Cologuard colorectal cancer screening technology were mistakenly summarized.
The Coordinating Center is also managing the research operations for a study evaluating concussions using an innovative mouth guard with local high school football programs.
Between August 2012 and January 2014, the NWNY Team completed a study evaluating the energy savings and effective light provided by LED and T8 fluorescent lighting systems in dairy barns.
