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Related Concept Videos

Understanding Deception01:14

Understanding Deception

Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...
False Memories01:18

False Memories

False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information with...
Language Development01:22

Language Development

Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
Piaget's Stage 2 of Cognitive Development01:14

Piaget's Stage 2 of Cognitive Development

The preoperational stage, the second of Jean Piaget's four stages of cognitive development, spans approximately ages 2 to 7 and is characterized by the emergence of symbolic thinking. During this stage, children use language, images, and symbols to represent objects and concepts, enabling them to engage in imaginative and pretend play. This symbolic thinking supports children's ability to perform make-believe actions, such as imagining a broom as a horse or their hand as a phone, blending...
Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
Exploration...
Piaget's Stage 4 of Cognitive Development01:19

Piaget's Stage 4 of Cognitive Development

The formal operational stage, as described in Piaget's cognitive development theory, begins around age 11 and extends into adulthood. It marks the emergence of advanced cognitive abilities that differentiate adolescent and adult thinking from those of younger children. This stage is characterized by abstract reasoning, hypothetical-deductive reasoning, and a more complex understanding of self and others.
Abstract Reasoning and Hypothetical-Deductive Thinking
Unlike the concrete operational...

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Related Experiment Video

Updated: Jun 5, 2026

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
07:36

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime

Published on: May 3, 2016

Young children's emerging ability to make false statements.

Elizabeth C Ahern1, Thomas D Lyon, Jodi A Quas

  • 1Department of Psychology, University of Southern California, 3620 South McClintock Avenue, Los Angeles, CA 90089-0071, USA. eahern@usc.edu

Developmental Psychology
|January 20, 2011
PubMed
Summary
This summary is machine-generated.

Young children develop the ability to lie between ages 2.5 and 3.5. This study shows that understanding deception requires consciousness of falsity and self-generated responses.

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Last Updated: Jun 5, 2026

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime
07:36

An Experimental Analysis of Children's Ability to Provide a False Report about a Crime

Published on: May 3, 2016

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The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

Area of Science:

  • Developmental Psychology
  • Cognitive Science
  • Child Psychology

Background:

  • Lying is a complex cognitive ability crucial for social interaction.
  • Understanding the developmental trajectory of deception is key to child psychology.

Purpose of the Study:

  • To investigate the emergence of children's capacity for consciously false statements.
  • To determine the age at which children can generate and maintain deceptive claims.

Main Methods:

  • Children aged 2-5 years were incentivized to make false claims about visual stimuli.
  • Performance was assessed using outcome, recognition, and recall questions of varying cognitive load.
  • The ability to maintain false statements across question types was evaluated.

Main Results:

  • Children aged 2.5-3.5 years performed above chance on simpler outcome questions.
  • The ability to perform above chance on recognition questions emerged at 3.5 years.
  • Maintaining false claims across question types was also observed from 3.5 years onwards.

Conclusions:

  • The capacity for deception in children develops gradually.
  • Consciousness of falsity and self-generated responses are critical factors in the development of lying.
  • Findings provide insights into the cognitive underpinnings of deception in early childhood.