The phrase "an original research study" is correct and usable in written English.
It can be used when referring to a research project that presents new findings or insights that have not been published before.
Example: "The journal published an original research study that explored the effects of climate change on marine biodiversity."
Alternatives: "a novel research study" or "a primary research study."
This is an original research study in the field of hip and knee arthroplasty; therefore, it was not possible to refer to other studies in literature to perform a sample size calculation.
Initially, eligible studies met the following criteria: (1) reported an original research study; (2) measured adherence to antiretroviral therapy; (3) contained content addressing the association between social, human, or financial capital and adherence to antiretroviral therapy; and (4) was set in a low-income or middle-income country as defined by the World Bank Country Classification [21].
Furthermore, we recovered 97 (4.8%) citations in which Wikipedia was cited in place of an original research study.
Our "original research" category further illustrates how Wikipedia was often cited when the authors could have cited an original research study.
The screening process assessed whether the citation: (1) presented data from an original research study; (2) focused on the exposure of interest, "light at night;" and (3) captured the outcome of interest, "breast carcinoma".
We included all original research studies published in peer-reviewed journals, which used quantitative indicators of retention in care prior to ART eligibility.
We included all original research studies published in peer-reviewed journals between 1 January 2002 and 21 January 2014, and those that used quantitative indicators of retention in HIV care prior to ART eligibility.
Polyps initially found by the CTC observer (in the original research study) were presented to the readers by a researcher with information on morphology, size, location, and certainty of diagnosis scored by the observer.
Article contains raw data and was original research study.
Article contains raw data and was original research study .
For those coding discrepancies, they were discussed and resolved by consulting the original research study.
