The SSTEW Scale has been widely used in early childhood education and care, across the world, to enhance the quality of education, and monitor and assess practice. It explores pedagogy and practice that improve children's social-emotional development, self-regulation, language, and critical thinking.

Iram Siraj is Professor of Child Development and Education at the University of Oxford, UK.

Denise Kingston is a senior researcher at the University of Oxford and honorary research fellow at the University of Sussex, UK.

Edward Melhuish is Professor of Human Development at the University of Oxford, and Birkbeck, University of London.

1. Introduction to the Sustained Shared Thinking and Emotional Well-being (SSTEW) Scale 2. Subscale 1: Building trust, confidence and self-regulation 3. Subscale 2: Supporting and extending language and communication 4. Subscale 3: Supporting learning and critical thinking 5. Subscale 4: Planning and authentic assessment 6. SSTEW Scale score sheets 7. SSTEW Scale Profile 8. Joint Observation/inter-rater reliability for the SSTEW Scale