A researcher choosing to use a cross-lag or sequential design might have which of the following samples?
A) Groups of 4-year-olds and 6-year-olds measured with and without their mothers present
B) A group of 4-year-olds and a group of 8-year-olds measured a single time
C) A group of 4-year-olds measured twice a year for twenty years
D) Groups of 4-, 8- and 12-year-olds measured every five years for twenty years
D
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Mr. Bakken is outlining a classification system in his science class. Which of the following is he most likely utilizing?
a) a natural concept b) a prototype c) a formal concept d) a schema
A baby is born with an impairment of his left cerebral hemisphere, but it is not discovered until years later, when certain clues are pieced together. Which of the following is MOST likely to be one of those clues?
a. He has difficulty perceiving concepts and spatial relationships. b. He has difficulty with geometry. c. He has difficulty learning to read. d. He has difficulty recognizing people's faces.