On intelligence tests in middle Adulthood, vocabulary, verbal comprehension, and logical reasoning items measure crystallized intelligence.
Crystallized intelligence refers to the accumulation of knowledge, facts, and skills that are acquired throughout life. Crystallized intelligence continues to increase throughout adulthood.
Situations that require crystallized intelligence include reading comprehension and vocabulary exams.
Find out more on crystallized intelligence at: https://brainly.com/question/7253712