Selection bias and information bias in clinical research.
Nephron Clin Pract. 2010;115(2):c94-9. doi: 10.1159/000312871. Epub 2010 Apr 21.
Nephron Clin Pract. 2010.
PMID: 20407272
Free article.
Review.
On the other hand, systematic error or bias reflects a problem of validity of the study and arises because of any error resulting from methods used by the investigator when recruiting individuals for the study, from factors affecting the study participation (selection bias) or fr …
On the other hand, systematic error or bias reflects a problem of validity of the study and arises because of any error resulting from metho …