The phrase "a comparative sample of" is correct and usable in written English.
It can be used when discussing a subset of data or subjects that are being compared to draw conclusions or insights.
Example: "In our study, we collected a comparative sample of participants from different age groups to analyze their responses."
Alternatives: "a comparative group of" or "a comparative subset of".
Different populations likely have different strains of the gut bacteria," he said said, noting that a comparative sample of human gut bacteria in Malawi showed slightly different microbiomes than the Americans.
The electrochemically active surface areas of Pt/CCG and a comparative sample of Pt/multi-walled carbon nanotubes (Pt/MWCNT) are 36.27 and 33.43 m2/g, respectively.
Participants: Thirty-five ambulant people with extremely-severe TBI who were attending physiotherapy for mobility limitations, and a comparative sample of 25 healthy controls (HC).
Orbital dimensions are small even relative to female pygmies from the Andaman Islands (Figure 7), and average orbital and nasal breadth values in the Palauans fall below mean values for a comparative sample of small-bodied modern humans (San bushmen from the Kalahari) and fall close to reported values for LB1 (see Table 1).
We found 20% less cancer cases than in a comparative sample of the general Finnish population during the 2 postoperative years, but after 11 years of follow-up the cancer incidence rate were equalized.
Using a comparative sample of newborn Fgfr2 +/S252W and Fgfr2 +/P253R Apert syndrome mouse models and their unaffected littermates (n=73) we found that murine skull dysmorphologies parallel those described in Apert syndrome patients, and detected significant morphological differences between the two Apert syndrome mouse models (Martínez-Abadías et al., 2010).
The research involved analysing a statistically valid sample of investigated fatal and major accidents to workers in the construction sector in Scotland and a comparative sample for the rest of Great Britain.
Last, we tested this corresponding qualitative/quantitative ray assignment by conducting a discriminant function analysis of OH 86 and a comparative sample composed of modern human proximal phalanges from rays II and V (which tend to be more similar to each other because of asymmetries caused by muscle insertions, among others).
Low variance between the brands simplifies the detection of a potential new chemical hazard as a different brand could be used as a comparative sample with low risk of false positives.
In a limited, comparative sample of clinical crayfish haemolymph, the lowest, non-zero copies were 2.88 × 104 for RT-PCR and 4.60 × 101 for the RT-qPCR.
These results highlight the importance of incorporating a broad comparative sample of species, phylogenetic information and time within morphological studies and put into context the use of particular extant species for morphological comparisons when interpreting hominin morphology.
