_____ studies collect data from the same individuals over a period of time to track age changes

Children with visual impairments often walk with

A. A narrow base of support B. Longer than typical stride C. Shuffling gait D. Rigid leg-lack of flexion at the knee

Which of the following best explains the typical pattern of cognitive functioning in middle adulthood?

A) Most individuals demonstrate decrements in verbal skills such as vocabulary, and tasks such as working a crossword puzzle or giving instructions become difficult. B) Most individuals begin to experience decrements in problem-solving abilities, and tasks such as adjusting ingredients in a recipe or learning new computer software become difficult. C) Individuals may maintain or even gain in skill on tasks that are highly practiced or based on specific learning, such as playing a card game. D) Mental processes steadily and significantly decline across middle adulthood, and most individuals perceive an accelerated loss of mental acuity.