The unidirectional muscular movement of a bolus through the esophagus toward the stomach is known as

When studying development of early mental states, researchers found that as early as 6 months, infants

A) expect people to talk to other people, rather than to inanimate objects. B) understand that people are intentional beings who share and influence another's mental state. C) are aware that others' perspectives differ from their own. D) can determine if an object inside a box is desirable or undesirable.

According to Sternberg, which type of love is shown by couples who have been together a long time and describe themselves as "being in love" rather than "falling in love"?

a. liking b. fatuous love c. empty love d. companionate love