According to recent research, agreement between parents and adult children regarding politics, religion, and controversial issues is most likely to be:

Similar

Explanation:

This is because of the direct influence a parent can have in the children's way to see life. In the kid's childhood, they will almost always try to copy their parents behavior and as a result, the kid will grow up with a similar vision of those polemic themes as they were influenced by what their parents said in their childhood.