Two subgroups of children include (a) those who are skilled academically and socially, and (b) those who are physically and/or socially aggressive.

The correct answer is : popular

Explanation:  Within Piaget's theory of cognitive development, children demonstrate accomodation when they adjust their existing cognitive schemes around new information or experiences that are inconsistent with those schemes.

Some research shows that fathers and mothers treat their children differently according to the sex of the child. Mothers respond to children according to their individual needs, while fathers respond to their children according to gender.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.