The meaning of OBSERVATIONAL is of, relating to, or based on observation—sometimes distinguished from experimental.

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 the control of …

OBSERVATIONAL meaning: 1. involving watching someone or something carefully and closely, in order to learn something: 2…. Learn more.

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 assign …

Definition of observational adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define observational. observational synonyms, observational pronunciation, observational translation, English dictionary definition of observational. n. 1. a. The act of observing: observations of a rare …

Observational means relating to the watching of people or things, especially in order to learn something new.

Mar 31, 2022 · An observational study is used to answer a research question based purely on what the researcher observes. There is no interference or manipulation of the research subjects, and no …

Jun 5, 2025 · Observational studies are significantly different from other types of research, mainly because no variables are manipulated, and they are completed within real-world rather than …

Factsheet What does the adjective observational mean? There are three meanings listed in OED's entry for the adjective observational. See ‘Meaning & use’ for definitions, usage, and quotation evidence.