Which of the Following Is NOT a Threat to Internal

question 33

Multiple Choice

Which of the following is NOT a threat to internal validity?

• A) ecological isomorphism
• B) spurious relationships
• C) selection bias
• D) attrition

---

Definitions:

Acute Stress Disorder

A short-term condition that occurs right after a traumatic event, characterized by anxiety, detachment, and other severe emotional responses.

Post-Traumatic Stress Disorder

An emotional health disorder caused by enduring or observing a distressing event, illustrated by vivid flashbacks, distressing dreams, and overwhelming anxiety.

Multiple Organ Failures

A critical condition where two or more systems in the body fail simultaneously, often as a result of severe illness or injury.

Body Dysmorphic Disorder

A mental health disorder involving obsessive focus on a perceived flaw in appearance, often leading to significant distress and impairment in daily functioning.