In late adulthood, the brain shrinks and total brain mass declines, so that by age 80 years, most people have lost what percent of their peak brain mass?
a. 5–10%
b. 15–25%
c. 25–45%
d. 45–60%
Answer: A
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a. does not take part in the experiment b. is treated the same as the experimental group but is not tested c. is treated the same as the experimental group except for the independent variable d. is treated the same as the experimental group except for the dependent variable
According to Piaget's cognitive developmental theory, what key changes occur in the preoperational child's thinking?
What will be an ideal response?
Which method of treating phobias involves relaxation and exposure to the feared object?
a. extinction b. punishment c. token economy d. systematic desensitization e. contingency management
Your neighbor's 10-year-old son is very intelligent. His teacher has suggested that he be tested to determine his IQ. With what intelligence test is he likely to be assessed?
the Wechsler Intelligence Scale for Children the Stanford-Binet test the Kaufman scales the Wide Range Achievement Test