An Experimenter Is Studying the Facial Expression of the Emotion

question 123

Multiple Choice

An experimenter is studying the facial expression of the emotion terror.He plans to point a loaded gun at participants as they enter the room and photograph them at the same instant.Such an experiment would be ethically ____.

• A) unacceptable if the experimenter explained the experiment afterward to the participants
• B) acceptable if the experimenter explained the experiment afterward and if the participants were paid
• C) acceptable if the participants were paid, regardless of the discomfort they might experience
• D) unacceptable if the risks to the participants outweigh the potential benefits of the knowledge gained

---

Definitions:

Carbon Dioxide

This is a gas without color or scent, formed from the combustion of carbon and organic substances as well as from the act of breathing, utilized by plants in the process of photosynthesis.

Stomata

Small openings on the surface of plant leaves and stems that allow for gas exchange, playing a critical role in photosynthesis and transpiration.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.

Cohesion-tension

A hypothesis that explains the process of water movement up plants due to water molecules' cohesive and adhesive properties and the evaporation of water from the leaves.