Examlex
Josh has been participating in a clinical study by a cognitive neuroscientist.It is likely that his brain is being studied to explore _________________.
Confounding Variables
Variables that the researcher failed to control, or eliminate, damaging the internal validity of an experiment by potentially influencing the dependent variable.
Random Assignment
A method used in experiments to assign participants or items to different groups in a way that each has an equal chance of being in any group.
Placebo
A substance with no therapeutic effect, used as a control in testing new drugs, or to influence a participant's belief in the efficacy of a treatment.
Acupuncture Treatments
Involves the insertion of thin needles through the skin at strategic points on the body, used primarily for pain relief and therapeutic purposes in traditional Chinese medicine.
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