Crystallized intelligence

Crystallized intelligence refers most directly to a person’s a. b. c. d. Accumulated knowledge and verbal skills Ability to reason speedily and abstractly Ability to assume the perspective of others Willingness to revise beliefs in light of new information 39. In her 50’s and with all of her children grown and moved away, Charlotte puts much of her energy into volunteering at the library reading to young children. Which of Schaie’s stages of development is she in?