The phrase "a very small study" is correct and usable in written English.
It can be used when referring to a research study that has a limited number of participants or a narrow scope.
Example: "The findings from a very small study should be interpreted with caution, as they may not be representative of the larger population."
Alternatives: "a tiny study" or "a limited study".
"We got positive results, but it was a very small study," she said.
And it was a very small study, with only 40 participants in total, which limits the conclusions that can reliably be drawn.
"The results are not convincing to me – this is a very small study, and it has not been statistically well-controlled," said Naveed Sattar, professor of metabolic medicine at Glasgow University.
Dr. Amishi Jha at the University of Miami is working with the military to develop mindfulness-based training for soldiers before they deploy, and Dr. Kearney has done a very small study of the effect of mindfulness on PTSD.
Well, if you believe a very small study funded by the Dairy and Nutrition Council in 2006 then feel free to waste your money slamming down that high calorie chocolate milk.
"These results are very interesting but this is is a very small study and any interpretation of the findings must be made with caution as we are dealing with the hopes and expectations of patients," said Dr Virginia Bolton from the assisted conception unit at Guy's and St Thomas' NHS Foundation Trust.
Except for a single memory test conducted in 85 patients, 2 the cognitive function in IIH has only been tested in a few very small study populations.
For example, we downgraded the quality of evidence for the four studies retrieved for the research question on chemoprophylaxis for cases before hospital discharge (Question A), as they measured a proxy outcome, had very small study populations ranging from 14 to 51, and used different therapeutic antibiotic regimes.
One very small study found that even after just a 10-minute nap, study participants reported at least feeling more alert.
The number of women for whom gestational weight gain data was available for varied greatly, from a very small pilot study and service development studies to larger randomised controlled trials; thus sample sizes ranged from 12 [ 24] to 304 [ 29], with a mean of 170.
With respect to SHBG, a very small case control study (Parlati et al, 1988) has indicated that it may be increased in BBD, whereas another study generated equivocal results (Mancini et al, 1991, with 131 women with breast pathology and use of 'background normal' levels).
