PT - JOURNAL ARTICLE AU - Olmsted, Jodi TI - Research Reliability and Validity: Why do they matter? DP - 2024 Dec 01 TA - American Dental Hygienists' Association PG - 53--57 VI - 98 IP - 6 4099 - http://jdh.adha.org/content/98/6/53.short 4100 - http://jdh.adha.org/content/98/6/53.full SO - J Dent Hyg2024 Dec 01; 98 AB - The concepts of reliability and validity are explored in this short report. The importance of assuring that data collection tools are both reliable and valid are explored for use in quantitative, qualitative, and mixed method study designs. Quantitative and qualitative attributes for achieving reliability and validity are provided. Discussion of when information collected and presented is not reliable and valid impacts the body of scientific knowledge and researcher credibility.