Word Learning for Late Talkers

This trial aims to understand how bilingual toddlers learn new words and how their parents' language use influences this process. Researchers will explore how words related to animals and clothing help children with typical development and those with language delays expand their vocabulary in two languages. Families will engage in activities like reading and playing, and researchers will measure children's responses through eye-tracking tasks. This study is ideal for bilingual children exposed to English and Spanish who don't have hearing, vision, or developmental issues. As an unphased trial, participants can contribute to valuable research on bilingual language development in children.

The trial information does not specify whether participants need to stop taking their current medications.

Research shows that the treatments in this trial, known as the Large Semantic Category Condition and the Small Semantic Category Condition, are based on how toddlers learn language. These methods help researchers understand how children learn words by grouping them into categories like animals and clothing.

Similar studies have used eye-tracking to observe how toddlers understand word relationships safely. Past research has reported no major side effects. Since this trial involves observing and recording normal activities like reading books and playing, it is expected to be safe for participants.

Researchers are excited about the Word Learning for Late Talkers trial because it explores how different teaching methods can help toddlers with language delays expand their vocabulary. Unlike traditional approaches that might use a one-size-fits-all method, this trial investigates two unique techniques: the Large Semantic Category Condition and the Small Semantic Category Condition. The Large Semantic Category Condition involves teaching words from a broad range of categories, potentially helping children make connections across different contexts. Meanwhile, the Small Semantic Category Condition focuses on a narrow set of related words, which might strengthen understanding within a specific area. By comparing these methods, researchers hope to discover more effective ways to boost language development in children who struggle with typical vocabulary growth.

Research has shown that children who start talking later than usual, known as late talkers, often improve their language skills over time. By age four, many late talkers catch up to their peers in language development. In fact, only about 29% of late talkers still experience significant language delays by this age. Early interventions, such as language activities with parents, can lead to better outcomes. This trial will explore different approaches to language exposure. Some participants will engage in activities focusing on large semantic categories, such as animals and clothing, while others will concentrate on small semantic categories. This structured language exposure aims to help late talkers build their vocabulary more effectively.⁶⁷⁸⁹¹⁰