Children with developmental language disorder (DLD; also referred to as specific language impairment) experience a significant deficit in language ability that is longstanding and harmful to the children's academic, social, and eventual economic wellbeing. Word learning is one of the principal weaknesses in these children. This project focuses on the word learning abilities of four- and five-year-old children with DLD. The goal of the project is to build on the investigators' previous work to determine whether, as has been found thus far, special benefits accrue when these children must frequently recall newly introduced words during the course of learning. The focus of the current study is verb-learning. The goal of the study is to increase children's absolute levels of verb learning while maintaining the advantage that repeated retrieval holds over comparison methods of learning.
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Verb Recall Accuracy (Number of Verbs Correctly Recalled) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions at 5 Mins. for Learned Items
Timeframe: 5 minutes after end of Day 2 (second day) learning period.
Verb Recall Accuracy (Number of Verbs Correctly Recalled) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions at 5 Mins. for Generalized Items
Timeframe: 5 minutes after end of Day 2 (second day) learning period.
Verb Recall Accuracy (Number of Verbs Correctly Recalled) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions at 1 Week for Learned Items.
Timeframe: 1 week after Day 2 (second day) learning period.
Verb Recall Accuracy (Number of Verbs Correctly Recalled) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions at 1 Week for Generalized Items
Timeframe: 1 week after Day 2 (second day) learning period.
Accuracy of Verb Recall (Number of Verbs Correctly Recalled) in a New Structure in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions
Timeframe: 1 week after Day 2 (second day) learning period.
Verb Recognition (Number of Words Accurately Identified) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions for Learned Items.
Timeframe: 1 week after Day 2 (second day) learning period.
Verb Recognition (Number of Words Accurately Identified) in Repeated Spaced Retrieval (RSR) and Repeated Study (RS) Conditions for Generalized Items.
Timeframe: 1 week after Day 2 (second day) learning period.