Which of the Following Beverages Typically Contain the Most Caffeine

question 12

Multiple Choice

Which of the following beverages typically contain the most caffeine?

• A) energy drinks (e.g., Red Bull)
• B) tea
• C) coffee
• D) most soft drinks (e.g., colas)

---

Definitions:

Operational Definition

A clear, concise detailed definition of a measure. The requirements for something to be defined for scientific study.

Independent Variable

The experimental factor that is manipulated; the variable whose effect is being studied.

Replication

The process of repeating a study or experiment to verify its findings under the same or similar conditions.

Operational Definitions

Specific descriptions of concepts involving the criteria or operations used to measure them, making abstract ideas measurable and testable.