Kyesha is getting a vision test. She is asked to name colors, distinguish between numbers and letters, and identify very small objects. Because the doctor is asking only about vision, she is testing Kesha's response to stimuli.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

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