The phrase "an expanded study" is correct and usable in written English.
It can be used when referring to a study that has been broadened in scope or detail, often to include more variables or a larger sample size.
Example: "The researchers conducted an expanded study to better understand the effects of the new drug on various demographics."
Alternatives: "a comprehensive study" or "a thorough investigation."
The company plans an expanded study to determine how long remission lasts.
The response of state and federal authorities was to refuse to fund an expanded study.
He said it was hoped an expanded study centre could create extra jobs and bring more people in all year round.
The observational methods employed, interview procedures, and the performance measures collected would readily apply to an expanded study with more participants.
The association recently gave Bowser funds for an expanded study, to see whether the biomarkers hold up in a larger population.
We intend to confirm this in an expanded study in the near future.
In any case, the results strongly suggest that a future expanded study should be conducted that would allow a more detailed analysis of the biomarker potential of the tryptophan metabolites.
She found that they were disproportionately white-collar and highly educated, like Seth F. A second, expanded study showed that those who relied on gigging to make a living were less satisfied than those who had other jobs and benefits and gigged for pocket money: another sign that the system was not helping those who most needed the work.
In a more expanded study, 65 incoming honey bee pollen foragers were randomly collected from the landing board at the entrance of the five hives in two different locations (24 km apart) in Centre County, Pennsylvania during the summer of 2007.
The observations would need to be confirmed by a repeat or expanded study with the objective of determining the association between distance and risk behaviors.
Given our success in the small pilot study, we conducted a new and significantly expanded study using 25 cancer types with 18 clinical parameters from TCGA Project.
