A Clinical Psychologist Is Using a Particular Diagnostic Classification System

question 216

Multiple Choice

A clinical psychologist is using a particular diagnostic classification system to diagnose a psychological disorder. She finds that her system yields consistent results but, unfortunately, it does not appear to be accurately assessing the disorder in which she is interested. This would mean that her classification system is:

• A) neither reliable nor valid.
• B) valid but not reliable.
• C) reliable but not valid.
• D) both reliable and valid.

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Definitions:

Twin Studies

Research involving twins that aims to reveal the influence of genetics versus environment on various traits and behaviors.

Amniocentesis

A medical procedure used in prenatal diagnosis in which a small amount of amniotic fluid is sampled from the amniotic sac surrounding a fetus to test for chromosomal abnormalities and infections.

Prenatal Development

The process of growth and development within the womb from conception to birth.

Parent's Age

Refers to the age of a mother or father at the birth of their child, which can influence various aspects of the child's health and upbringing.