​Marcia has started to have difficulty with her nighttime vi…

​Marcia has started to have difficulty with her nighttime vision, and thus has decided that it is better if she no longer drives after dusk, except in emergency situations. She has asked her friends, with whom she often gets together, if they would mind either (a) getting together at her house more often than normal, or (b) if one of them would mind giving her regular rides to other social events that take place at night. Marcia’s behaviors best demonstrate which model of human development?

​When Jordan, who is a 25-year-old and married father of one…

​When Jordan, who is a 25-year-old and married father of one infant daughter, is laid off from his job, it impacts him with a devastating amount of worry and fear. When Jackson, who is a 72-year-old married man with five grandchildren, is laid off from his job, he seems to take it in stride and decides that this is a good time to retire. Which of the following forces BEST explains the different reactions of Jordan and Jackson?