Answer:This is an example of selective observation
Explanation:
What is meant by selective observation?
Selective observation is an observation where we tend to focus our attention to a phenomenon that support our own concluded ideas.
In selective observation when we collect data it is based on what we have already concluded like a researcher above has concluded based on what he believes about girls that they obsess more over their dressing code but now he neglects that even boys do obsess about how they present themselves to others which includes how they dress up hence his observation is now selective ; selecting only girls to make his observations.
It was a time of of inavation and advancement in the science community during the Renaissance era bettween the years of 1543 – 1687 and taking place in Europe.