The second of Freud's stages of psychosexual development is called the:

A concern with personal goals and increased individual self-esteem is most characteristic of those from _____ cultures

A) collectivistic B) individualistic C) narcissistic D) selfish

When her baby begins to cry, Brenda can quickly soothe him by picking him up, holding him, and stroking his head. Based on research with animals, it is likely that Brenda's touch has a soothing effect, in part,

because it leads to the release of ___________ in the baby's brain. a. morphine b. endorphins c. leptin d. vasopressin