This week, the homework assignments consists of the following questions: Compare and contrast "stability and change" and "stages and continuity" as basic concepts to adult development. What are sources of stability in adulthood? What are normative history-graded influences on adult development, and how do they differ based upon cohorts? Describe Bronfenbrenner's model of ecological -systems and how you might conduct a longitudinal study that considers Bronfenbrenner's model. Describe the four types of questions that need to be answered when designing research?