
- OBSERVATIONAL Definition & Meaning - Merriam-Webster- The meaning of OBSERVATION is an act or instance of observing a custom, rule, or law. How to use observation in a sentence. 
- OBSERVATIONAL | English meaning - Cambridge Dictionary- Observational research uses data collected during routine clinical care. In observational research in the general population, however, a continuum approach may be more useful than use of a … 
- OBSERVATIONAL Definition & Meaning | Dictionary.com- Observational definition: of, relating to, or founded on observation, especially founded on observation rather than experiment.. See examples of OBSERVATIONAL used in a sentence. 
- Observational - definition of observational by The Free Dictionary- Define observational. observational synonyms, observational pronunciation, observational translation, English dictionary definition of observational. n. 1. a. The act of observing: … 
- Observational study - Wikipedia- In fields such as epidemiology, social sciences, psychology and statistics, an observational study draws inferences from a sample to a population where the independent variable is not under … 
- What is an Observational Study: Definition & Examples- In an observational study, the researchers only observe the subjects and do not interfere or try to influence the outcomes. In other words, the researchers do not control the treatments or … 
- OBSERVATIONAL definition and meaning | Collins English …- Observational means relating to the watching of people or things, especially in order to learn something new. 
- observational adjective - Definition, pictures, pronunciation and …- Definition of observational adjective from the Oxford Advanced Learner's Dictionary. connected with or based on the activity of watching somebody/something carefully for a period of time, … 
- Observational Study: Definitions and Variations | UoPeople- Aug 11, 2025 · In an observational study, researchers will attempt to look at a treatment, risk factor, test, or some other type of intervention without changing who is exposed to it. 
- What Are Observational Studies and When Are They Conducted?- Jun 5, 2025 · Observational studies – which typically account for around 15% of all studies per year – are a method of clinical research that help scientists answer a specific question, or form …