The Difference Between KR 20 and Coefficient Alpha Is

question 54

Multiple Choice

The difference between KR 20 and coefficient alpha is

• A)KR 20 can be used to evaluate time sampling problems while alpha cannot.
• B)Alpha can be used to evaluate time sampling problems while KR 20 cannot.
• C)KR 20 can only be used for items scored right or wrong but Alpha can be used for items in any format.
• D)Alpha can only be used for items scored right or wrong but KR 20 can be used for items in any format.

---

Definitions:

Cultural Differences

Variations in the customs, values, beliefs, and practices of different cultures.

Americans

Americans usually refer to the residents or citizens of the United States of America, but can broadly encompass anyone from the American continents.

Null Hypothesis

This is a type of hypothesis used in statistics that proposes there is no significant difference or effect.

Wearing Glasses

The act of using eyewear designed to correct or improve one’s vision, often necessitated by conditions affecting ocular health.