👉 Unidentifiability refers to a phenomenon where two or more people share a unique identity, such as a person's name, birthdate, or social status. It can also refer to a situation in which two or more individuals are not able to identify with each other due to shared characteristics or circumstances that make it difficult for them to communicate effectively or understand one another. This concept is often used in the context of research studies where researchers aim to determine whether differences between groups exist, but they do not