Scientific study

Scientific study[1] is a kind of study that involves scientific theory, scientific models, experiments and physical situations. It may refer to:

• Scientific method, a body of techniques for investigating phenomena, based on empirical or measurable evidence that is subject to the principles of logic and reasoning
• Observational study, draws inferences about the possible effect of a treatment on subjects, where the assignment of subjects into a treated group versus a control group is outside the control of the investigator
• Randomized controlled trial, a type of scientific experiment, often in the medical field, where the people being studied are randomly allocated one of the different treatments
• Science, a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe