An effect is
A) a reaction that a person makes
B) the difference between what you want to happen and what does happen
C) the difference between what does happen and what you want to happen
D) the difference between what would have happened in the absence of a treatment and what did actually happen with the treatment

Question

Quizplus · Accepted Answer

An effect, especially in the context of scientific studies or interventions, is typically defined as the difference between what would have happened without a specific treatment or intervention and what actually happened with it. This definition is most aligned with choice D, which accurately describes how effects are measured or understood in experimental and causal research contexts.

An Effect Is