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According to SAMHSA (Substance Abuse and Mental Health Services Administration), about 50 million people in the United States experience symptoms of mental illness every year. Severe cases number more than ten million.
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Some are rumours or false stories
Answer: Concurrent schedule of reinforcement
Explanation: In psychology, such a schedule means representing two or more concurrent schedules that are independent. In doing so, each of them results in reinforcement, and each of the schedules is available simultaneously. This means that each of the independent schedules is equally effective and requires independent responses, where one does not have to respond to each of them.