While adolescents may reason as well as adults, their emotional maturity lags

http://www.eurekalert.org/pub_releases/2009-10/apa-wam100709.php

Public release date: 7-Oct-2009
Contact: Pam Willenz
American Psychological Association
While adolescents may reason as well as adults, their emotional maturity lags, says new research

WASHINGTON – A 16-year-old might be quite capable of making an informed decision about whether to end a pregnancy – a decision likely to be made after due consideration and consultation with an adult – but this same adolescent may not possess the maturity to be held to adult levels of responsibility if she commits a violent crime, according to new research into adolescent psychological development.

"Adolescents likely possess the necessary intellectual skills to make informed choices about terminating a pregnancy but may lack the social and emotional maturity to control impulses, resist peer pressure and fully appreciate the riskiness of dangerous decisions," said Laurence Steinberg, PhD, a professor of developmental psychology at Temple University and lead author of the study. "This immaturity mitigates their criminal responsibility."

The findings appear in the October issue of American Psychologist, published by the American Psychological Association.

Steinberg and his co-authors address this seeming contradiction in a study showing that cognitive and emotional abilities mature at different rates. They recruited 935 10- to 30- year-olds to examine age differences in a variety of cognitive and psychosocial capacities.

The participants took different tests measuring psychosocial maturity and cognitive ability to examine age patterns in numerous factors that affect judgment and decision-making. The maturity measures included tests of impulse control, sensation-seeking, resistance to peer influence, future orientation and risk perception. The cognitive battery included measures of basic intellectual abilities.

There were no differences among the youngest four age groups (10-11, 12-13, 14-15 and 16-17) on the measures of psychosocial maturity. But significant differences in maturity, favoring adults, were found between the 16- to 17-year-olds and those 22 years and older, and between the 18- to 21-year-olds and those 26 and older. Results were the same for males and females, the authors said.

"It is very difficult for a 16-year-old to resist peer pressure in a heated, volatile situation," Steinberg said. "Most times, there is no time to talk to an adult to inject some reason and reality to the situation. Many crimes committed by adolescents are done in groups with other teens and are not premeditated."

In contrast, differences in cognitive capacity measures increased from ages 11 to 16 and then showed no improvements after age 16 – exactly the opposite of the pattern found on the psychosocial measures. Certain cognitive abilities, such as the ability to reason logically, reach adult levels long before psychosocial maturity is attained, Steinberg said.

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