Leo, age 4, complains that his cookie is smaller than his sister's, age 8, even though they are the same size. She breaks his cookie in half and says, "There, now you have more!" Leo is satisfied. This suggests that Leo lacks understanding of __________.
A. reality
B. executive functions
C. conservation of area
D. conservation of weight
Answer: C
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Youngsters who are temperamentally difficult, overly emotional, or inattentive are more likely than their peers to engage in aggressive actions
a. True b. False Indicate whether the statement is true or false
The absolute threshold is operationally defined as the stimulus level at which a sensory signal is detected 100% of the time
a. true b. false
Parents can expect their preschoolers to get a cold
A) 1–2 times a year. B) 3–4 times a year. C) 4–5 times a year. D) 6–7 times a year.
According to Piaget's ideas regarding moral development, the ______________ stage is to subjective responsibility as the ______________ stage is to objective responsibility.
a. concrete operations; formal operations b. formal operations; concrete operations c. preoperational; concrete operations d. formal operations; preoperational