Selection Bias Occurs If Only Volunteers Are Used in a Study

question 2

True/False

Selection bias occurs if only volunteers are used in a study.

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Definitions:

Perceived Body Defects

Flaws or imperfections in one's physical appearance that are observed or believed to be present by the individual, regardless of their actual existence.

Limbic System

An intricate assembly of nerve systems and networks within the brain, incorporating multiple regions close to the cortex's boundary that manage instinct and mood. It governs fundamental emotions (such as fear, joy, and anger) and primal urges (like appetite, sexual desire, dominance, and parental care).

Stress Hormones

Biochemical substances, such as cortisol and adrenaline, released by the body in response to stress, affecting physical and psychological well-being.

PTSD

Post-traumatic stress disorder is a psychological condition that occurs after someone has been through or seen a horrifying event, leading to symptoms like flashbacks, nightmares, and intense anxiety.