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Promoting classroom quality through professional development

Results from the Oslo early education study, a randomized controlled trial

Bibliographic Data

ID20349243
AuthorsRatib Lekhal (0000-0002-3750-4275, BI Norwegian Business School, corresponding author), Lisa Karlsen (0000-0001-7606-9723, University of Oslo), Tiril Wilhelmsen (0000-0003-4730-0644, University of Oslo), Deborah L Vandell (0000-0003-2373-9783, University of California, Irvine), Stian Lydersen (0000-0001-6613-8596, Norwegian University of Science and Technology), Veslemøy Rydland (0000-0002-2036-3920, University of Oslo)
Year2025
Volume86
Pages101462
Publication date2025-09-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueStudies In Educational Evaluation (JOURNAL)
Journal identifiersISSN: 0191-491X • E-ISSN: 1879-2529
PublisherElsevier BV (PUBLISHER)
DOI10.1016/j.stueduc.2025.101462
OpenAlexW4410008273
LanguageEN
Citations received2
References cited37

Substantial evidence shows that high-quality early childhood education and care (ECEC) positively affects children's development. However, many ECEC settings do not meet these standards, highlighting the need for professional development (PD) programs for staff. There is limited knowledge about effective PD models from the Nordic context, particularly in areas with large multiethnic, multilingual populations, and low-income families. The OEES study, involving 89 toddler and 125 preschool classrooms across 56 Norwegian ECEC centers, examined the impact of a teacher PD program on teacher–child interaction quality using the CLASS tool, compared to a control group over 18 months. Results indicate that OEES effectively improves teacher–child interactions, especially in toddler classrooms. • RCT tested PD program in 56 diverse Norwegian ECEC centers using CLASS. • PD improved teacher–child interactions, especially in toddler classrooms. • Study adds Nordic evidence on effective PD in multilingual, low-income settings

Faculty Development · Mathematics education · Medical education · Pedagogy · Professional development · Randomized controlled trial · Early Childhood Education and Development · Educational and Psychological Assessments · Medicine · Psychology · Teacher Education and Leadership Studies

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Unique citing works2
Citations per year2
Citation span2026 - 2026 (1)
Citation velocitycurrent
Highly citedNo
Citation typesNeutral: 2
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