The Answer to Q17 May Also Affect the Internal Validity

question 18

Multiple Choice

The answer to Q17 may also affect the internal validity of the study.When?

• A)When the different conditions of the independent variable are presented in the same order to all participants.
• B)When the conditions are presented in a different order to each participant.
• C)When participants can discuss responses with one another during testing.
• D)When participants are observed but not surveyed for several days after an intervention.

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Definitions:

Polygraph Machine

A device used to measure and record physiological indicators such as blood pressure, pulse, and respiration while a person is asked questions, purportedly to detect lies.

Tensing Muscles

The act of contracting one's muscles tightly, often used as a relaxation technique by progressively tensing and then relaxing different muscle groups.

Cerebellum

A brain structure that regulates movement and balance, is involved in remembering simple skills and acquired reflexes, and plays a role in cognitive and emotional learning.

Physiological Patterns

Regular and predictable behaviors or responses of the body's systems, often in relation to health and disease.