_____ is the ancient Chinese practice of inserting thin needles into more than 2,000 points in the body to alter energy forces

Serena works about 10 hours a day, often leaving before her kids go to school. She also brings work home on weekends. Serena has quickly climbed the ladder in her profession and makes a high salary. But her husband and kids wish she would spend more time with them. Vallerand's model would say that Serena's work is guided by which of the following?

a. achievement b. harmony c. obsession d. generativity

Illicit drug usage in the United States since the early 1990s has

a. increased for older adults. b. remained constant for all people. c. increased overall, but decreased for teens. d. increased for all people. e. declined overall.