Sentence examples for shown selection bias from inspiring English sources

Thirdly, the bias towards inheritance from the female parent may be due to artificial selection, where hop breeders have shown selection bias towards the commercially-relevant female plants.

Although baseline FEV1 values were not significantly different on each test day (data not shown), selection bias may have influenced the prevalence of hyperresponsiveness to EVH and field exercise.

Given that similar proportions of exposed and unexposed women completed the 1994 questionnaire (87%), and no differences were found in the baseline characteristics of those who were and were not lost to follow-up (data not shown), selection bias is also an unlikely explanation of our results.

These authors found that each of the tested periods showed selection bias for only one or two of the eleven indicators tested.

Nevertheless, table 1 shows selection bias in those patients who agreed to participate in the nested questionnaire study relative to the parent trial, and attrition bias in those who were retained at follow-up.

Studies with high participation rates showed selection biases, the proportion of eligible participants approached for enrolment differed across studies and we identified opportunities to improve the reporting of outcomes for consent.

Second, participants were self-selected, so this study may show participant selection bias.

The results of the TICS-m also show no selection bias due to drop out of participants with severely impaired cognitive functioning.

The results of the TICS-m showed that selection bias due to drop out of persons with severely impaired cognitive functioning was limited.

The quantitative comparisons showed some selection bias into the trial, with participants more likely to be female and living in less deprived areas.

To assess whether subjects showed a selection bias in the continuous conditions, we analyzed the repeated choice rates in each condition.