The phrase "in a different study" is grammatically correct and usable in written English.
It can be used to indicate that the information or findings being mentioned are from a separate or unrelated study. Here is an example: "In a different study, researchers found that exercise can improve cognitive function in older adults."
The differences in results could probably be find in a different study design.
Political scientists Laurel Harbridge, Neil Malhotra and Brian Harrison find a similar pattern among partisans in a different study.
In a different study, participants were asked to make a videotape that would introduce and describe themselves.
In a different study, Brandi Stupica examined the effects of parents' mobile phone use on their children's athletic performance.
In a different study, Dave and Lisa found that even subconsciously exposing people to ethical content increased their moral awareness and prompted more ethical decisions.
In a different study, 67 heterosexual couples in long-term relationships filled out diaries each night for three weeks about their feelings and their partner's behaviors towards them.
In a different study, Katz asked parents to simply go through a picture of book of faces with their one-year olds.
In a different study discussed at the meeting today, Dr. Monica Morrow of Northwestern University in Chicago reported that survival rates among women with breast cancer varied with the number of women that hospitals treated each year.
In a different study, a team of British researchers found that Spanish mothers were more likely to use emotional words and emotional topics when speaking with their 4-year-old daughters than with their 4-year-old sons.
Even so, in a different study she found that women's profile photographs were on average a year and a half old.
Mr. Warren pointed out that Truvada had protected women in a different study that enrolled established couples in which only one partner was infected.
