I am curious about how physical attractiveness was rated, and if there was particular criteria. “..with the physical attractiveness of each participant rated b

I am curious about how physical attractiveness was rated, and if there was particular criteria. “..with the physical attractiveness of each participant rated by three members of the research team to produce an averaged single attractiveness score” That seems very subjective to me, and subjectiveness may not even be the problem but having an average of just three scores.