Kevin is a good student. He studies hard because when he does he gets the teacher's approval. His studying behavior was probably learned through ________

The ability to provide ____ is a biological reason why mothers have historically been the primary caretaker

a. breast milk b. a secure attachment c. co-sleeping d. amae

Both adults and peers view Michaela as physically attractive, lively, and sociable. She is a leader at her school. Her brother, Daniel, however, is viewed as anxious and moody. He is either stressed or depressed

Which of the following statements is probably true? A) Michaela and Daniel are both late-maturing teenagers. B) Michaela and Daniel are both early-maturing teenagers. C) Daniel is an early-maturing boy, and Michaela is a late-maturing girl. D) Daniel is a late-maturing boy, and Michaela is an early-maturing girl.