Which "Big Five" personality trait refers to the degree of emotional stability an individual characteristically displays?

The research of John Garcia and Robert Koelling on taste aversion is noteworthy in the understanding of learning because it demonstrated that

a. organisms are biologically prepared to learn certain associations. b. complex behaviors may be acquired by shaping of successive approximations. c. a more probable activity can be used to reinforce a less probable one. d. the associationist principles of learning are common to all organisms.

At what age are infants able to pick up small objects like marbles off the ground?

a) 11 months b) 12 months c) 8 months d) 14 months