The Textbook Suggests That There Is a Great Irony Involved

question 38

Multiple Choice

The textbook suggests that there is a great irony involved in research on schizophrenia which is that

• A) the original physicain who developed the diagnostic category was later diagnosed with schizophrenia himself.
• B) for over 100 years we have known the diagnostic category that we now recognize as schizophrenia may well be composed of many different kinds of mental disorders.
• C) we have had a clear model of the cause of schizophrenia for over 100 years, but still no effective treatment.
• D) None of these are what the textbook suggests.

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Definitions:

Random Sample

A method of selecting a sample from a population in which each member has an equal chance of being chosen.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Internal Validity

The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.

Institutional Review Board (IRB)

A committee that reviews and monitors research involving human participants to ensure ethical standards are maintained.