If You Know That the Level of Significance (α)Of a Test

question 7

Multiple Choice

If you know that the level of significance (α) of a test is 5%,you can tell that the probability of committing a Type II error (β) is

• A)2.5%.
• B)95%.
• C)97.5%.
• D)unknown.

---

Definitions:

False Facial Expressions

Facial expressions that do not genuinely reflect the emotions one is actually feeling, often used in social situations to conceal true feelings.

Paul Ekman

A psychologist who is a pioneer in the study of emotions and their relation to facial expressions.

Prefrontal Cortex

The front part of the frontal lobe of the brain, associated with decision making, problem-solving, and complex thought.

Cultural Differences

Variations in the practices, values, and goals shared by groups of people that are shaped by their history, geography, religion, and social structure.