After a neuron fires, about how long is its refractory period?
a. one-thousandth of a second
b. one-hundredth of a second
c. one-tenth of a second
d. one second
e. one-thousandth of a minute
a
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Piaget argued that object permanence is fully developed at 18 months. Recent research has indicated that
a. Piaget's time estimate was right on. b. object permanence is actually developed at birth. c. awareness of object permanence is not apparent at birth but develops well before Piaget thought. d. object permanence actually develops around age two years.
The token economy at the Community Training Center was called the
a. behavioral program. b. credit system. c. motivation therapy. d. contingency guide.
On modern tests of intelligence, IQ scores are determined a. by comparing a child's score with the average score of other children of the same age. b. by using the same IQ calculation as on the original Stanford-Binet exam
c. based on a child's gender and race. d. by subtracting a child's chronological age from their mental age.
Alicia is pregnant and continues to smoke cigarettes throughout her pregnancy. She is ________ more likely to have a child diagnosed with ADHD than a mother who does not smoke during pregnancy
a. no b. 2 times c. 3 times d. 5 times