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? An observational study uses sample data to find correlations in situations where the researchers do not control the treatment, or independent variable, that …

An observational study is when researchers are looking at the effect of some type of intervention, risk, a diagnostic test or treatment, without trying to manipulate who is, or who isn’t, exposed to it.

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 …

Dec 16, 2025 · Discover what observational studies are, some examples of observational studies, the seven main types of observational studies and how observational studies compare to …

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 …

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.

Dec 21, 2025 · Observational studies are conducted in a natural environment where the purpose is to observe outcomes without enacting change. They can be either qualitative or quantitative.

They are called observational studies because the investigator observes individuals without manipulation or intervention. This is in contrast to randomised controlled trials where …

Common types of observational studies include cross-sectional, cohort, and case-control studies. Cross-sectional studies offer a snapshot of data at a single time point, showing the distribution …