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Dr.Photon is conducting an fMRI study on the effects of an aspirin or a sugar placebo for the treatment of headaches.He randomizes his participants to one of the two groups, performs their baseline fMRI, gives them their medications, and then later does a follow-up fMRI.In this example, Dr.Photon's independent variable is whether:
Anxiety
A mental health condition characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities.
Activity Theory
A theory that suggests staying mentally and physically active contributes to happiness and satisfaction in later life.
Mortality Rate
The measure of the frequency of occurrence of death in a defined population during a specified interval of time.
Structural Changes
Structural changes refer to significant alterations within an organization, economy, or any other system that reshapes its framework, functioning or nature.
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