Toddlers link social and speech variation during word learning

Area of Science:

• Developmental Psychology
• Linguistics
• Sociolinguistics

Background:

• Pronunciation varies within a language due to social factors (age, gender, race).
• Understanding how children link social and linguistic variation is crucial for word learning theories.

Purpose of the Study:

• To investigate if toddlers connect social variation (race, affiliative behavior) with linguistic variation (pronunciation) during word learning.
• To determine how toddlers generalize novel word pronunciations across different speakers.

Main Methods:

• Experiment 1: Toddlers (24-26 months) learned word-referent mappings from one talker with specific vowel pronunciations.
• Testing involved toddlers hearing a novel label from different talkers (varying in race, behavior) and observing their object selection.
• Subsequent experiments manipulated talker similarity in race and demonstrated affiliative behavior.

Main Results:

• Toddlers showed differential responses to a novel label based on the talker's pronunciation.
• Generalization of pronunciation occurred across speakers of the same race but not unfamiliar races.
• Toddlers prioritized affiliative behavior over race when interpreting pronunciations.

Conclusions:

• Toddlers actively attend to and integrate social cues with speech variation during early word learning.
• Social factors, particularly affiliative behavior, significantly influence toddlers' generalization of pronunciation.
• Findings highlight the complex interplay of social cognition and language acquisition in early development.