Examlex
How may diet be related to the levels of serotonin and norepinephrine in the brain?
Internal Validity
The degree to which a study’s results are attributable to the independent variable, rather than other factors, indicating the study accurately reflects the relationship being tested.
Confounding Variable
An external influence that can affect the results of an experiment by varying along with the independent variable, potentially misleading the outcome.
Pretest-Posttest
A research design involving measurement before and after a specific intervention to assess its effects.
Sensitized
The process or state of becoming more aware or responsive to something, often used in the context of immune response or psychological conditioning.
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