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Preference for peers in infancy.

Wakako Sanefuji1, Hidehiro Ohgami, Kazuhide Hashiya

  • 1Graduate School of Human-Environment Studies, Kyushu University, 6-19-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan. wakko-s@mrh.biglobe.ne.jp <wakko-s@mrh.biglobe.ne.jp>

Infant Behavior & Development
|December 2, 2006
PubMed
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Infants prefer peers similar to themselves, not just those with babyish features. This study explored infant social preferences, finding that 6- and 9-month-olds favored same-age peers in visual tasks.

Area of Science:

  • Developmental Psychology
  • Infant Social Cognition

Background:

  • Infants show a preference for other infants over adults.
  • This preference is often attributed to 'babyish' features or self-similarity.

Purpose of the Study:

  • To differentiate between preference for 'babyish' characteristics and preference for self-similar peers in infants.
  • To investigate if infants prefer same-age peers over younger or older infants.

Main Methods:

  • Presented 6- and 9-month-old infants with visual stimuli (movies and static images) of infants of different ages.
  • Recorded infant looking preferences to assess social preference.

Main Results:

  • Nine-month-olds preferred same-age infants in movie stimuli.

Related Experiment Videos

  • Both 6- and 9-month-olds preferred static images of same-age infants.
  • Six-month-olds' lack of preference for same-age infants in movies may relate to information processing abilities.

    • Conclusions:

    • Infant peer preference is primarily driven by physical similarity to oneself.
    • The findings suggest self-similarity is a stronger cue than general 'babyishness' for early social preference.