Which Experimental Scenario Would Likely Produce the Most Trustworthy Results

question 21

Multiple Choice

Which experimental scenario would likely produce the most trustworthy results?

• A) a double-blind study involving a new heart disease treatment
• B) an unbiased investigation that shows a strong correlation between two variables
• C) a single-blind experiment testing the effects of caffeine on blood pressure
• D) an experiment that is slightly biased but does not use a model organism

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Definitions:

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and foreign substances.

Immunotherapy

A type of cancer treatment that helps your immune system fight cancer.

Photodynamic Therapy

A treatment that uses special drugs, known as photosensitizing agents, alongside light to kill cancer cells.

Chemical

A substance with a distinct molecular composition that is produced by or used in a chemical process.