Developmental Interactions Lab

Simple and ordinary interactions are the building blocks of human relationships.

Research x Practice Lab at the Harvard Graduate School of Education
Let’s help them grow!

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Universality without Uniformity: Appreciating High-Quality Practices in Low-Resource Settings

How can small, everyday interactions change the trajectory of a child’s future? Dr. Junlei Li’s keynote dives deep into this powerful idea.


Listen to his keynote address at the Play in Education, Development, and Learning (PEDAL) conference in at Cambridge University.

Dr. Li’s talk focused on re-imagining quality in the context of inequitable resources, relating to this past article.

Designing and Leading: Our Intervention in Rural China

How do we create equitable and enriched early learning opportunities in low-resource, rural communities?

We believe that this effort must start with rural teachers and real experiences at the center.



Learn more details about our intervention at the Yunnan Business Technology University. In partnership with the Chinese University of Hong Kong.

Early Relational Health: A Review of Research, Principles, and Perspectives

All children, families, and communities deserve to thrive relationally.

Read about the science of relational health and relevant practitioner inputs in this recently published paper with The Burke Foundation by Dr. Junlei Li and Thelma Ramirez, M.Ed..

Go to Project Page.

The Simple Interactions Tool


Since its creation, Simple Interactions Tool has provided a common, descriptive language to talk about interactions in practice. 

Its use and mission has brought practitioners, policymakers, and professionals to encourage, enrich, and empower human relationships.

Explore the Simple Interactions approach now!

Find more stories and projects at our special features here.