Briefly explain the changes in the brain that contribute to changes in adolescent thinking
What will be an ideal response?
Answer: The brain supplies an overabundance of gray matter during adolescence, which is later pruned at a rate of 1% to 2% per year. Increased myelination of the nerve cells makes the transmission of neural messages more efficient. The prefrontal cortex develops considerably during adolescence and allows the person to think, evaluate, make complex judgments, and monitor impulse control. Still, the prefrontal cortex does not fully develop until a person's early 20s.
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Research suggests that if you are soliciting the help of strangers at the mall, you are most likely to be successful if you
a. stand in front of a bakery. b. approach older adults as opposed to younger people. c. position yourself by the exit of a movie theater that is showing a sad film. d. appear to be angry.
In the equation y = b0 + bx + e, y is the ____
a. set of outcome variables b. set of predictor variables c. set of coefficients d. set of intercepts