Dr Reggie Lau Carries Out a Study with a Hypothesis

question 20

Multiple Choice

Dr. Reggie Lau carries out a study with a hypothesis that caffeine enhances performance in sports. He lets the experimental group consume 100mg of caffeine and does not give any caffeine to the control group. He then makes the participants sprint for 20 minutes. In this experiment, which of the following is the independent variable?

• A) The group that does not get any caffeine
• B) The group that consumes caffeine
• C) he performance on the sprint
• D) The duration of the sprint

---

Definitions:

Agent's Functioning

The actions carried out by an agent on behalf of a principal in the course of their agency relationship.

Fiduciary Duty

A legal obligation of one party to act in the best interest of another when in a position of trust, such as between a trustee and the beneficiaries.

Act On Behalf

To take actions or make decisions as a representative or agent for another person or entity.

Duty To Indemnify

It is an obligation to compensate for loss, damage, or liability incurred by another, often specified within a contract.