The phrase "a real world sample" is correct and usable in written English.
It can be used when referring to an example or instance taken from actual, practical situations rather than theoretical or hypothetical scenarios.
Example: "To better understand the concept, we will analyze a real world sample of consumer behavior in the market."
Alternatives: "a practical example" or "an actual case study".
Furthermore, as well as allowing for a quick and efficient extraction and analysis flow path, the VAMS microsampler is an easy to use device in a real-world sample collection scenario.
Quantification of the content of nitrate nitrogen (determined as NO3−), ammoniacal nitrogen (determined as NH4+), K2O (determined as K+) and SO3 (determined as SO42−) was performed on a real-world sample of mineral fertiliser.
This package includes a real-world sample EEG dataset with 64 channels.
Having digital models accurate to (say) the millimeter allows for instant, exact comparisons between species, or among several of the same species — you could even 3D print a skull, tail, vertebra or whole fish to compare with a real-world sample.
These effects were identified in a real-world sample of patients with painful OA, within the constraints of a fully blinded crossover experimental design.
Patients were not excluded based on RA disease duration or prior medication use to ensure a real-world sample of participants.
The sample in the current study represents a novel group not only in the translation to a different language and culture, but also a "real-world" sample of treatment-seeking patients.
The population included in this analysis represented a real-world sample of older adults enrolled from four health care systems, including a low-income safety-net health care system.
We conducted a global patient survey using an innovative, internet-based methodology to gain insight into patient perceptions of COPD and exacerbations in a real-world sample typical of today's working-age COPD population.
Studies that include patients with one- and two-vessel disease provide a more appropriate, "real world" sample population, and yield terciles that compare appropriately to our group.
