sampling bias


Also found in: Encyclopedia, Wikipedia.

sampling bias

systematic error due to study of a nonrandom sample of a population.

sam·pling bi·as

(sam'pling bī'ăs)
Systematic error due to study of a nonrandom sample of a population.
References in periodicals archive ?
If the text within the search engine corpus is itself skewed, you will have a classic case of sampling bias.
Reliability of the measure and sampling bias (only sampling certain documents) should be addressed by the researcher.
2) This study in particular is at risk for developing sampling bias as a consequence of respondent-driven sampling.
3200, unsound sampling bias leading to over/under sampling of likely voting groups, conflicting survey methods, e.
Reported estimates of OSA prevalence vary due to differing definitions of OSA, sampling bias, and year of study publication.
The Minamisoma and Soma results may exhibit sampling bias, since the screening turnout was about 1/3, but should have less bias compared with the results from other regions, such as Koriyama and Iwaki, where participation in the screening was done on a voluntary basis (shown in the last two rows).
However, several dissertations (50%) used the non-probability sampling, either quota or purposive, which is less appropriate for a quantitative study for such does not control sampling bias and limits representativeness.
We determined the relative strength of influenza migratory connections between Vietnam and the rest of the world, and we interpreted these results in the context of a sampling bias that seems to affect all sequence-based studies aiming for phylogeographic interpretations.
In contrast, achieving a diagnosis of cystic lesions of the parotid by FNAB can be challenging and even difficult because of sampling bias and the limitations on interpretation.
There is no tool currently available to check sampling bias on the ALA website.
Lovich and Gibbons (1990) list several factors that may influence sex ratios in wild terrapin populations: environmental sex determination (ESD), age at maturity, sampling bias, seasonal variation, and differential mortality between the sexes.