The phrase "a study that tested" is correct and usable in written English.
You can use it when referring to research that has conducted experiments or assessments to evaluate a hypothesis or theory.
Example: "The researchers published a paper detailing a study that tested the effects of sleep deprivation on cognitive performance."
Alternatives: "a research project that examined" or "an investigation that evaluated".
But a UK charity, Crisis, recently produced a study that tested the advice and assistance offered to actors posing as single homeless people.
Borage, marjoram, and certain types of lavender are among the flowers most attractive to bees, a study that tested what many gardeners already knew has found.
In a study that tested both healthy older and MCI in a detection task with simple stimuli28, MCI showed no sensory dominance and healthy older individuals showed visual dominance.
Garg recently teamed up with Ramesh Johari, associate professor of management science and engineering, in a study that tested a surprisingly simple alternative to number- or star-based ratings: Get people to make evaluations in words.
The Australian Psychologist, which is a journal and not a specific person, includes a study that tested the reliability of this abridged version.
Frederick vom Saal, a toxicologist at the University of Missouri-Columbia and also a member of the National Academy of Science endocrine disrupter panel, has gotten tremendous play from a study that tested a mere seven mice for each of various doses of two chemicals.
The objective of this article is to describe a study that tests the effectiveness of a stepped-care approach using a combined medication behavioral intervention.
We describe a study that tests 3 different interventions in a randomized controlled trial using home BP telemedicine monitoring.
She is the principal investigator of the College Ambition Program CAPP), a study that tests a model for promoting a STEM college-going culture in two high schools that encourages adolescents to pursue STEM majors in college and occupations in these fields.
Diuk-Wasser is now collaborating with Fish on a study that tests the hypothetical link between biodiversity and human risk of Bb infection in new ways.
For example, for a study that tests the effectiveness of an intervention to increase vaccination rates it is reasonable to expect that the intervention would only be used outside of a research environment if it increased vaccination rates sufficiently.
