You are interested in studying the potential changes in intelligence over the lifespan. You have selected 250 people who are currently 2 years old and you plan to assess them every 5 years for 40 years. What type of study are you planning to conduct?

Kylie is 3 years old. At this age, she should be able to

A. reflect on emotions. B. use appropriate words to describe her emotions and what caused them. C. understand that the same event may elicit different feelings from different people. D. understand that they need to manage their emotions to meet the social standards.

Alzheimer's disease is distinguished from other types of dementia in DSM-5 based on

a. muscular impairment. b. personality changes. c. the gradual speed of onset. d. more significant memory impairment.