Answer:
"Subject" is defined as the person, group, or thing that is being studied in a scientific or academic experiment or observation.
Step-by-step explanation:
"Subject" is a technical term in science and psychology, and it refers to the person, group or animal on which an experiment is being conducted.
It's a widely used word in scientific research literature, textbooks, and other sources that teach about research methods.
It's also an essential concept in the field of psychology, where psychological experiments are often conducted to study human behavior.
You can look up this term in any dictionary, scientific encyclopedia, psychology textbook, or scientific research article to confirm its definition.