What Is the Mirror Test, and Which Animals Have Passed It?
https://a-z-animals.com/blog/what-is-the-mirror-test-and-which-animals-have-passed-it/
webJul 27, 2023 · What is the Mirror Test? The mirror test, also known as the mark test, is a widely used behavioral technique. It’s focus is to determine an animal’s ability to recognize itself in a mirror. American psychologist Gordon Gallup Jr. first introduced the test in 1970, and it has since been used widely on various species of animals.
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