kontrollitutkimus
Kontrollitutkimus, known in English as a controlled study or control group study, is a fundamental research methodology employed across various scientific disciplines, particularly in medicine, psychology, and social sciences. The core principle of a kontrollitutkimus is to isolate the effect of a specific variable or intervention by comparing a group that receives the intervention (the experimental group) with a group that does not (the control group).
The primary purpose of the control group is to serve as a baseline against which the effects
In a well-designed kontrollitutkimus, participants are typically randomly assigned to either the experimental or control group.
The results of a kontrollitutkimus provide strong evidence for or against the efficacy of an intervention.