In the U.S., _____ of adolescents reported playing electronic video games in the preceding 6 months, and _____ of boys played every day
a. around 25%; 11%
b. 50%; 25%
c. just below 75%; 33%
d. more than 90%; 33%
Answer: D
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The DSM-5 is concerned with _______________ of psychological disorders.
a. treatment b. predictive validity c. classification d. prevalence rates e. none of the above
Which of the following is true about oligodendrocytes?
A. These are the least common glial cells in the brain. B. These are the most common glial cells in the brain. C. These are found exclusively in the nervous system outside of the brain. D. These perform the function of removing waste from the nervous system.
Which of the following did Burt believe??
a. ?Special education could substantially improve the performance of children with intellectual disabilities. b. ?The “g” or general factor of intelligence was largely inherited. c. ?Students with high intelligence should be paired with students with low intelligence so the former could help the latter. d. ?Data from the study of identical twins largely refuted the idea that intelligence is inherited.
Costa and McCrae (1993) found a significant correlation between higher ego development and greater ______.
A. conscientiousness B. openness to experience C. agreeableness D. extroversion