It is true researchers must have the correct training when doing special studies. They must know what they are looking for in each detail. We always want to make sure there is absolutely no bias when different studies are being done. We want to make sure each portion of the study is done correctly. When working in the ER, we always must make sure everything is done properly. Nurses must make sure all assessments are done correctly. These are very important when speaking with doctors. This helps with the plan of care for each patient The plan of care must be correct for each particular patient.