Which of the following are mechanisms by which an industrial hygienist can improve thier professional judgement? Which of the following are mechanisms by which an industrial hygienist can improve thier professional judgement? Use statistical analysis tools to evaluate monitoring results whenever data are available for an exposure assessment. Incorporate a "feedback loop" into the exposure assessment process that requires comparison of initial exposure judgments made prior to the availability of monitoring data with judgments made using the statistical analysis of monitoring data when they become available. Discuss with other industrial hygienist of similar background and training. All the above A & B