Which of the following statements best describes brain changes during adolescence and may be related to risky behavior?

a. The limbic system goes through a "growth spurt".
b. The amygdala develops before the prefrontal cortex.
c. There is uniform growth through all brain structures.
d. The myelin surrounding the synapses thins.

Answer: b. The amygdala develops before the prefrontal cortex.

Psychology

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MOST cases of mild intellectual developmental disorder seem to be related to:

A) inherited traits. B) sociocultural and psychological factors. C) fetal alcohol syndrome. D) organic brain syndrome.

Psychology

In the formula for the chi-square calculation, what is in the denominator?

a. Observed value b. Expected value c. Cohen's d d. Observed value- expected value

Psychology