A Professor Gives the Same Test Twice

question 79

Multiple Choice

A professor gives the same test twice. Most of those who failed it the first time get scores close to the class average the second time. Most of those who did very well the first time also get scores close to average the second time. Therefore the test has

• A) high reliability.
• B) low reliability.
• C) average validity.
• D) high validity.

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Definitions:

Brainstem

The part of the brain connecting the spinal cord with the forebrain and cerebrum, responsible for regulating basic life functions such as breathing, heartbeat, and blood pressure.

Human Genome Project

A scientific research project aimed at mapping and understanding all the genes of human beings.

Behaviour Genetics

The field of study that examines the role of genetics in shaping behaviors, personality, and psychological traits.

Genetic Mapping

The process of determining the location and chemical sequence of specific genes on a chromosome.