Answer:
d. A researcher documents his subject’s description of an experience.
Explanation:
Wilhelm Wundt: He was known as the father of EP (experimental psychology). He stated that introspection can be used in revealing one's consciousness. He found that humans consist of unique ability to respond to their feelings, situation, and motives.
Introspection is defined as the process of looking inside and reporting perception, thoughts, and sensations.
Limitations: Data gathered by introspection is open-ended.
