Researchers believe that physical attractiveness is important in interpersonal attraction because it signals: Likeliness .
A researcher can be defined as someone that conduct research by collecting data or information so as to reach or draw a conclusion.
Hence, Researchers tend to believe that physical attractiveness is vital in interpersonal attraction based on the fact it help to signal likeness as it is the most important factor in liking.
Learn more about researcher here:https://brainly.com/question/25257437
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