Suppose a researcher uses strong magnets to track changes in blood oxygen levels across the brain when participants are viewing a scene and also when they are imagining the scene. The ______ variable in this study is ______.
A)independent; changes in blood oxygen levels
B)experimental; whether participants imagined or viewed a scene
C)control; whether participants imagined or viewed a scene
D)dependent; changes in blood oxygen levels

Question

Quizplus · Accepted Answer

The dependent variable is the variable being measured or observed, which is changes in blood oxygen levels in this study. The independent variable is the variable being manipulated or controlled by the researcher, but it is not clear what it is in this study. The experimental and control variables are not applicable in this scenario.

Suppose a Researcher Uses Strong Magnets to Track Changes in Blood