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Sampling errors cannot by determined objectively for nonrandom sampling techniques.
Tardive Dyskinesia
A neurological syndrome caused by the long-term use of neuroleptic drugs, characterized by repetitive, involuntary, purposeless movements.
Depression
A mental health disorder marked by persistent sadness, lack of interest or pleasure in activities, and may include symptoms such as changes in appetite or sleep patterns.
Antidepressant Drugs
Medications prescribed to alleviate symptoms of depression by adjusting brain chemistry.
Placebos
Substances that have no therapeutic effect, used as a control in testing new drugs, or sometimes for therapeutic effect in patients through a placebo effect.
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