Adolescents' cognitive capacity reaches adult levels prior to their psychosocial maturity: Evidence for a "maturity gap" in a multinational, cross-sectional sample

Grace Icenogle, Laurence Steinberg, Natasha Duell, Jason Chein, Lei Chang, Nandita Chaudhary, Laura Di Giunta, Kenneth A. Dodge, Kostas A. Fanti, Jennifer E. Lansford, Paul Oburu, Concetta Pastorelli, Ann T. Skinner, Emma Sorbring, Sombat Tapanya, Liliana M.Uribe Tirado, Liane P. Alampay, Suha M. Al-Hassan, Hanan M.S. Takash, Dario Bacchini

Research output: Contribution to journalArticle

Abstract

All countries distinguish between minors and adults for various legal purposes. Recent U.S. Supreme Court cases concerning the legal status of juveniles have consulted psychological science to decide where to draw these boundaries. However, little is known about the robustness of the relevant research, because it has been conducted largely in the U.S. and other Western countries. To the extent that lawmakers look to research to guide their decisions, it is important to know how generalizable the scientific conclusions are. The present study examines 2 psychological phenomena relevant to legal questions about adolescent maturity: cognitive capacity, which undergirds logical thinking, and psychosocial maturity, which comprises individuals' ability to restrain themselves in the face of emotional, exciting, or risky stimuli. Age patterns of these constructs were assessed in 5,227 individuals (50.7% female), ages 10-30 (M = 17.05, SD = 5.91) from 11 countries. Importantly, whereas cognitive capacity reached adult levels around age 16, psychosocial maturity reached adult levels beyond age 18, creating a "maturity gap" between cognitive and psychosocial development. Juveniles may be capable of deliberative decision making by age 16, but even young adults may demonstrate "immature" decision making in arousing situations. We argue it is therefore reasonable to have different age boundaries for different legal purposes: 1 for matters in which cognitive capacity predominates, and a later 1 for matters in which psychosocial maturity plays a substantial role.

Original languageEnglish (US)
Pages (from-to)69-85
Number of pages17
JournalLaw and Human Behavior
Volume43
Issue number1
DOIs
StatePublished - Feb 1 2019

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maturity
Decision Making
Psychology
adolescent
Minors
Aptitude
Jurisprudence
Research
evidence
Young Adult
psychosocial development
decision making
legal status
cognitive development
know how
young adult
Cognitive Capacity
Maturity
Supreme Court
stimulus

Keywords

  • Adolescence
  • Age of majority
  • Cross-national
  • Law
  • Maturity

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Psychology(all)
  • Psychiatry and Mental health
  • Law

Cite this

Adolescents' cognitive capacity reaches adult levels prior to their psychosocial maturity : Evidence for a "maturity gap" in a multinational, cross-sectional sample. / Icenogle, Grace; Steinberg, Laurence; Duell, Natasha; Chein, Jason; Chang, Lei; Chaudhary, Nandita; Di Giunta, Laura; Dodge, Kenneth A.; Fanti, Kostas A.; Lansford, Jennifer E.; Oburu, Paul; Pastorelli, Concetta; Skinner, Ann T.; Sorbring, Emma; Tapanya, Sombat; Tirado, Liliana M.Uribe; Alampay, Liane P.; Al-Hassan, Suha M.; Takash, Hanan M.S.; Bacchini, Dario.

In: Law and Human Behavior, Vol. 43, No. 1, 01.02.2019, p. 69-85.

Research output: Contribution to journalArticle

Icenogle, G, Steinberg, L, Duell, N, Chein, J, Chang, L, Chaudhary, N, Di Giunta, L, Dodge, KA, Fanti, KA, Lansford, JE, Oburu, P, Pastorelli, C, Skinner, AT, Sorbring, E, Tapanya, S, Tirado, LMU, Alampay, LP, Al-Hassan, SM, Takash, HMS & Bacchini, D 2019, 'Adolescents' cognitive capacity reaches adult levels prior to their psychosocial maturity: Evidence for a "maturity gap" in a multinational, cross-sectional sample', Law and Human Behavior, vol. 43, no. 1, pp. 69-85. https://doi.org/10.1037/lhb0000315
Icenogle, Grace ; Steinberg, Laurence ; Duell, Natasha ; Chein, Jason ; Chang, Lei ; Chaudhary, Nandita ; Di Giunta, Laura ; Dodge, Kenneth A. ; Fanti, Kostas A. ; Lansford, Jennifer E. ; Oburu, Paul ; Pastorelli, Concetta ; Skinner, Ann T. ; Sorbring, Emma ; Tapanya, Sombat ; Tirado, Liliana M.Uribe ; Alampay, Liane P. ; Al-Hassan, Suha M. ; Takash, Hanan M.S. ; Bacchini, Dario. / Adolescents' cognitive capacity reaches adult levels prior to their psychosocial maturity : Evidence for a "maturity gap" in a multinational, cross-sectional sample. In: Law and Human Behavior. 2019 ; Vol. 43, No. 1. pp. 69-85.
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