Stratified sampling is often used when one or more of the stratums in the population have a low incidence relative to the other stratums. Convenience sampling is used in exploratory research where the researcher is interested in getting an inexpensive approximation of the truth.
Millions of Americans live with various types of mental illness and mental health problems, such as social anxiety, obsessive compulsive disorder, drug addiction, and personality disorders. Treatment options include medication and psychotherapy.
Mental Illness Mental illness comes in a variety of forms accompanied by a number of related symptoms. Mental illnesses are some of the most misunderstood afflictions in today's society. Too many people think of mental illness as a weakness. Nothing could be further from the truth. These are true illnesses and brain diseases. Behavioral Health Resources primarily treats the following mental illnesses: Anxiety Disorder Anxiety disorders are the most common and treatable mental health disorders, affecting more than 19 million people a year.