Peterson (2018) conducted a meta-analysis that focused on the available research about gender comparisons in verbal ability. On the basis of that meta-analysis, the authors concluded that:

a.

gender similarities now seem to be the norm.

b.

gender differences have previously been small, but they are now increasing.

there had never been any gender differences in this area, and none are found currently.

c.

there had never been any gender differences in this area, and none are found currently.

d.

the largest cognitive gender differences in the area of cognitive ability are in verbal skills.