Chapter 21-study guide Adulthood: Cognitive Development. #1 Discuss Spearman's concept of general intelligence. #2-Discuss age and intelligence, focusing on the changes between age 20 and age 70 or 80. Include the results of the Seattle longitudinal study. #3-Discuss the concepts of fluid intelligence and crystallize intelligence, indicating what they are and how they change in adulthood. #4-Discuss Sternberg's concepts of analytic intelligence, creative intelligence and practical intelligence; providing a general idea of what each of these these are. #5-Discuss the concepts of selective optimization and compensation and how these relate to aging in adulthood. #6-Discuss the concepts of expert cognition (thinking), intuitive thought and automatic thinking. #7-Discuss the concepts of strategic thinking and flexible thinking. #8-Discuss the relationship between expertise and age, focusing on the Seattle study of intellectual functioning.