Goal attribution to inanimate agents by 6.5-month-old infants
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Updated: Jul 11, 2026

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms
Published on: February 8, 2019
1School of Psychology, Birkbeck, University of London, Malet Street, London WC1E 7HX, United Kingdom. g.csibra@bbk.ac.uk
Insights
Infants attribute goals to actions, even inanimate objects, if their behavior varies. This suggests goal attribution in babies isn't solely based on recognizing human-like agents.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Infant Behavior
Background:
- Human infants often attribute goals to observed actions, offering insights into the origins of goal-directed behavior.
- Previous research suggested younger infants (6.5 months) might restrict goal attribution to human or humanoid agents.
- The role of agent identification versus behavioral cues in infant goal attribution remains an area of investigation.
Purpose of the Study:
- To investigate whether 6.5-month-old infants attribute goals to an inanimate object (a box) exhibiting variable behavior.
- To determine if featural identification of an agent is a prerequisite for goal attribution in young infants.
- To identify the key behavioral cues influencing infant goal attribution.
Main Methods:
- Experimentally presented 6.5-month-old infants with a moving inanimate box.
- The box demonstrated slight variations in its approach to a goal, within the range of efficient actions.
- Infants' responses and attributions were observed to gauge their understanding of the box's actions.
Main Results:
- Infants were willing to attribute a goal to the inanimate box when its behavior varied.
- Featural identification of an agent (human-like appearance) is not necessary for infants to attribute goals.
- Variability in an agent's behavior emerged as the most critical cue for infants' goal attribution.
Conclusions:
- Young infants do not require agents to be human-like to attribute goals to their actions.
- Behavioral variability is a primary driver for infants' teleological interpretations of actions.
- The innate bias for goal attribution in infants may not solely stem from learned experiences with agents.
Abstract:
Human infants' tendency to attribute goals to observed actions may help us to understand where people's obsession with goals originates from. While one-year-old infants liberally interpret the behaviour of many kinds of agents as goal-directed, a recent report [Kamewari, K., Kato, M., Kanda, T., Ishiguro, H., & Hiraki, K. (2005). Six-and-a-half-month-old children positively attribute goals to human action and to humanoid-robot motion. Cognitive Development, 20, 303-320] suggested that younger infants restrict goal attribution to humans and human-like creatures. The present experiment tested whether 6.5-month-old infants would be willing to attribute a goal to a moving inanimate box if it slightly varied its goal approach within the range of the available efficient actions. The results were positive, demonstrating that featural identification of agents is not a necessary precondition of goal attribution in young infants and that the single most important behavioural cue for identifying a goal-directed agent is variability of behaviour. This result supports the view that the bias to give teleological interpretation to actions is not entirely derived from infants' experience.
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