The phrase "ad hoc study" is correct and usable in written English.
It is typically used to describe a study or analysis that is conducted for a specific purpose or situation, rather than as part of a broader or ongoing research effort.
Example: "The researchers conducted an ad hoc study to assess the immediate impact of the new policy on employee productivity."
Alternatives: "specific study" or "temporary study".
"If you're offered the opportunity to serve on an ad hoc study section, do it".
Serving on ad hoc study sections can greatly help young scientists better understand what is and isn't an R01-worthy grant, Wormley says.
The app (now available on the iPhone and launching this week on the iPad) allows students and teachers to post questions and answers regardless of location, allowing them to create spontaneous, ad hoc study groups wherever they are — for specific classes or across colleges.
Operation of ad hoc study clinic visits by group may have reduced the variability on the diagnosis by different physicians, the drop-out rate, and the time to complete the entire trial, but variations inherent in menstruation are unavoidable, which require greater manpower to closely follow up the women in order to meet the clinic schedules.
Full evaluation of this issue will require a further ad hoc study.
Four studies were carried out on a nationally representative sample and the rest adopted ad hoc study designs.
The latter implies that a general theory to treat energy markets, even if we restrict ourselves just to particular forecasting settings, is not a realistic goal and ad hoc studies have to be done in order to obtain effective results.
Concerning a specific effect of insulin glargine to increase cancer risk, the German study which raised the suspicion accumulated a number of methodological pitfalls and its results were not confirmed in three ad hoc studies.
While numerous ad hoc studies are being conducted to understand POPs effects, only a few countries are conducting nationwide surveillance programs of human concentrations of POPs, and even less countries do so in representative samples of the general population.
The RIF affords numerous time and efficiency savings compared with an ad hoc, study-by-study approach; however, the same care and consideration should be put into designing a RIF query as would be put into any other approach.
These relationships should be addressed in future ad hoc studies.
