The ability to critique research is a valuable skill that is fundamental to a perioperative and must get evidence derived from research ( McSwine, 2023. Criteria differ for critiquing a quantitative versus a qualitative study. When critiquing quantitative data you want to look at the method and the sample used within the methology. You also need to look at the instruments and to see if the quantitative data can be validated by looking at the results. Many researchers may take different routes but you have to look for specific information Within the research. it is very important to understand if a researcher can use quantitative and qualitative data at the same time as long as they have proof to show that the information that they are giving is valid. it's important to understand that research must be credible, You must remember quantitative data can be measured and qualitative data cannot. So in quantitative data you must locate the the problem being addressed within the research and asking questions to yourself does the problem being addressed does it have a valid outcome. Criteria that can be appropriately measured and quantified ( DiStefanom, 2020)