For decades, researchers and educators have debated why boys tend to perform better than girls in math. ... Girls living in countries where there is more gender equality perform better in math, sometimes outpacing boys, than girls who live in countries with more male-dominated societies. ...What she is trying to say is that she was hoping that the points in the above chart would fall in a straight line, and she was surprised at how close it is to being a line. Does it look like a line to you?
According to Sapienza, she and her colleagues were somewhat surprised by the findings.
"At some level, we were looking for it," she said. "We were surprised at how strong the correlation was."
A comment says:
"In Turkey, which scored low in gender gap equality, girls performed the worst: on average, 22.6 fewer points than boys." Maybe there really is a big disparity between the genders in mathematics. What else could explain the researcher being unable to interpret her chart correctly (hint: Brazil has a bigger gap than Turkey)?