Lorenzo is shown two round balls of clay equal in size. He watches as the experimenter rolls one ball into a long sausage shape and asks which of the shapes has more clay. If Lorenzo is in Piaget's concrete operations stage he will reply, ____
a. "the long one"
b. "they are both the same"
c. "the ball"
d. "I can't tell"
B. The preoperational child usually answers "the long one," mistaking a change in shape for a change in quantity, whereas by age 7 or 8 most children will answer "the same," realizing that the quantity remains the same even if the shape changes.
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Which of the following is NOT one of the factors identified by Allport as a necessary condition for creating positive contact situations?
a. cooperation b. equal status c. common goals d. supportive of authorizes, law, or custom e. strong leadership
A complicating factor in most parental bereavement is
a. grief b. timeliness c. guilt d. prior experience with loss e. mourning
At what age is peak bone mass generally reached?
a. during the teenage years b. during the 20s c. during the 30s d. during the 40s
Suppose a three-year-old child recently learned to climb into a large chair and pedal a tricycle. How does this child's motor skills compare to other children who are the same age?
A. Deficient; exhibits the motor skills of a typical 18-month-old B. Deficient; exhibits the motor skills of a typical 2-year-old C. Normal; exhibits the motor skills of a typical 3-year-old D. Advanced; exhibits the motor skills of a typical 5-year-old