Research Reports

Latest Research Reports

Do the increased conversational turn rates endure after the LENA Grow program has ended?...
Dual language learners (DLLs) typically experience fewer teacher-child interactions than their monolingual peers....
Do quality improvement ratings reflect how many conversational turns individual children experience?...
Approximately 1 in 8 children in early education settings spends most of their day in language isolation....
In a study of children aged 0-5 at five early learning sites across the U.S., children in LENA Grow classrooms experienced significantly larger gains in TS GOLD language scores compared to a...
How do teacher experience, credentialing, and education shape early childhood language environments?...
How does participating in LENA Grow impact CLASS scores? Data from five different evaluations spanning 2018-2025 show a clear, positive answer....
Teacher-child ratios — the number of teachers vs. children in a classroom — are a major factor in classroom quality....
In this report, we examine the role conversational turns may play in a child’s early development of self-esteem....
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Free Webinar: Interaction Data as Quality Systems Evolve

Every state’s quality system is designed to answer an important question: is a program providing high-quality care and learning experiences for children?

Yet quality is a moving target — in how it’s defined, how it’s measured, how it’s communicated, what it means for children in the classroom. As states evolve their approaches – some using rating systems and others emphasizing continuous quality improvement – understanding the indicators that matter most has never been more important.

Read more here > 

October 14 at 1:00 p.m. ET