The scientist emphasized that the pattern in the data was nonrandom and required a different statistical model.

The study used a nonrandomized design to compare outcomes between the two groups.

The nonrandomness observed in the experiment suggested an underlying systematic bias.

The study's nonrandomization raised concerns about selection bias and the validity of the results.

The nonrandomizing sampling method ensured the study results were reproducible but potentially biased.

The researchers nonrandomly assigned participants to the treatment and control groups to ensure balanced demographics.

The nonrandomised trial raised concerns about selection bias among the reviewers.