RT Journal Article SR Electronic T1 Common Sampling Errors in Research Studies JF American Dental Hygienists' Association JO J Dent Hyg FD American Dental Hygienists Association SP 50 OP 53 VO 97 IS 6 A1 Ann E. Spolarich YR 2023 UL http://jdh.adha.org/content/97/6/50.abstract AB Proper sample selection is based on the study purpose, research question(s), and study design. Investigators must use care to select a sample population that is representative of the source and target populations. Well-defined inclusion and exclusion criteria serve as guidance when screening potential candidates for eligibility for participation in a study. Sampling and non-sampling errors may influence study outcomes and generalizability of results. The purpose of this short report is to review common sampling errors made when designing a study and when reporting study outcomes.