An Experimental Psychologist Studies Rat Behavior

question 5

Multiple Choice

An experimental psychologist studies rat behavior. The psychologist runs rats through a maze, under different scent conditions. At the end of the maze is cheese. Sometimes the maze is lit, and sometimes it is dark. During each run, the rats are subjected to different scents (cat pheromone, the smell of cheddar cheese, tiger pheromone, the smell of rat feces) at crucial decision points in the maze. The psychologist measures the time it takes the rats to finish the maze. What could be considered independent variables in this study?

• A)The rats
• B)Light versus dark
• C)The psychologist
• D)The amount of time the rats take to finish the maze
• E)The scents
• F)The cheese at the end of the maze
• G)Rat behavior

---

Definitions:

Supine Position

Laying horizontally with the face and torso facing up, commonly used in medical contexts.

Mammogram

An X-ray photograph of the breast used to detect tumors or other abnormalities.

COPD

Chronic Obstructive Pulmonary Disease, a progressive lung disease that makes it hard to breathe due to obstructed airflow.

Menopause

The permanent cessation of menstruation.