Sentence examples for be a sampling bias from inspiring English sources

Fourth, the collection of samples for microbiological culture was not systematic but based on the physician's judgment which might be a sampling bias.

While it is possible that G/C loci with large numbers of repeats are being selectively excluded due to higher sequencing error rates, the fact that the A/T loci with lower levels of heterozygosity also show this plateau suggests that it may not simply be a sampling bias.

This may be a sampling bias related to mesh and entrance size allowing preferential escape by juveniles.

Third, there might be a sampling bias because all the subjects were parents whose children came to the hospital.

There may be a sampling bias, insofar as the mothers with infants attending the outpatient unit might represent a more severely mentally disordered sample choosing to participate in this trial.

We had more females in the inadequate and marginal subgroups which might be a sampling bias due to the collection of consecutive patients from the outpatient clinic during the study interval.

Secondly, there may be a sample bias in using the Harris Interactive database.

It should be noted that participants were recruited from areas that were provided with the service of LHWs from the national programme for family planning and primary healthcare and there may be a sample bias in regards to reproductive health practices.

At the same time, because participants in our experimental group self-selected to use the app, it was likely there was a sampling bias which may have resulted in more conscientious students who were open to new experiences participating in the experimental group (Cochran, 1977).

In an HWE population, the heterozygote on each axis is usually located in the middle of the homozygotes, except when there is a sampling bias (see Text S1 for details).

Furthermore, there was a sample bias since we could not use the data of all 820 children with DS who were registered by the DPSU, 630 (76.8%) questionnaires were returned and not all questionnaires relating to children with trisomy 21 had complete data on cardiac status.