Actually the correct answer is;
A. through the Fourteen Points
I just took this test.
The correct answer is use; understand
The theoretical model planted by Schaie is based on the fulfillment of motivational objectives over the life cycle that answered the three questions previously explained: <u>what do I need to know? How do you practice ?; Why is that what?</u> Under these three premises, Shaie proposes 7 stages of cognitive development.
The blank is The dark side of chocolate!!
Hope this helped!! :)