Intelligence

teen girl solving advanced math problems at blackboard

The ability to derive information, learn from experience, adapt to the environment, understand, and correctly utilize thought and reason.

Adapted from the APA Dictionary of Psychology

Resources from APA

psychologist taking notes during session with patient

Guidelines on intellectual disability diagnosis in forensic settings

Approved by APA Council of Representatives, August 2026
Speaking of Psychology: Inside the social minds—and amazing memories—of chimps and bonobos, with Laura Simone Lewis, PhD

Inside the social minds—and amazing memories—of chimps and bonobos

Laura Simone Lewis, PhD, discusses her research on the long-term social memories of chimpanzees and bonobos
Yellow sign listing prohibited and allowed items with a brick wall in the background and a small tree

Does language diversity affect multilingual cognition?

Neuropsychology article examines how linguistic differences relate to cognitive function in India
pencil and bubble test sheet

How should intellectual impairment be assessed in death penalty litigation?

Court considers how to account for variability in IQ test performance in capital cases
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APA books

The PASS Theory of Intelligence

PASS Theory of Intelligence

$79.99
Cover of Study Like a Champ

Study Like a Champ

$22.99
Cover of Innovative Investigations of Language in Autism Spectrum Disorder (medium)

Innovative Investigations of Language in Autism Spectrum Disorder

$87.99
Cover of Becoming Brilliant (medium)

Becoming Brilliant

$21.99
Cover of Assessing Bilingual Children in Context (medium)

Assessing Bilingual Children in Context

$79.99

Magination Press children’s books

Cover of Psychology for Kids

Psychology for Kids

$24.99

Journal special issues

Cover of Numerical and Mathematical Cognition / Numéro spécial

Numerical and Mathematical Cognition / Numéro spécial

$24.95
Cover of Fronto-Executive Functions

Fronto-Executive Functions

$24.95
Cover of Neurodevelopment (special issue of Psychology & Neuroscience, June 2018)

Neurodevelopment

$24.95
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Genes, Race, and Psychology in the Genome Era

$24.95