Examlex
Which of the following is a valid type of integrity constraint?
PET
Positron Emission Tomography, a type of imaging test that allows doctors to check for diseases in the body by using a special dye containing radioactive tracers.
fMRI
Functional Magnetic Resonance Imaging, a neuroimaging technique that measures brain activity by detecting changes associated with blood flow.
Control Groups
Groups in experiments that do not receive the experimental treatment, allowing researchers to assess the treatment's effect by comparing it against this baseline.
Experimental Groups
Groups in an experiment that receive the treatment or variable being tested, allowing researchers to assess its effects.
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