If you see the notation , you should
a. sum all the Xs, then square the sum.
b. sum the Xs, then divide by 2.
c. square all the Xs, then sum the squares.
d. divide all the Xs by 2.
c
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Which behavior demonstrates the characteristics of Piaget's coordination of secondary circular reactions substage of the sensorimotor period?
A. an infant's independence from her or his parent B. an infant's basic reflexes C. an infant's lack of object permanence D. an infant's skill in anticipating future circumstances
The peripheral persuasion route uses facts, figures, and arguments to persuade
Indicate whether the statement is true or false
Research on formal operational thought indicates that 6-year-olds
A) show signs of hypothetico-deductive reasoning on tasks that involve simplified situations. B) display hypothetico-deductive reasoning only when assisted by an adult. C) only display hypothetico-deductive reasoning during pretend play. D) are capable of abstract thinking when presented with real-world problems.
Marty has fuzzy vision because his eyeball is too short. Marty has the condition called
a. hyperopia. b. presbyopia. c. myopia. d. astigmatism.