developmental psychology, interplay between culture and cognitive development, mathematical cognition in children, Papua New Guinea, urban and rural areas of Northeastern Brazil, elementary school classrooms, cognitive development, mathematics education

thinking, teaching, learning, productive learning environments, professional development, mathematics education, modeling thinking and decision making

K-12 math and science education, science education, mathematics education, computing education, design-based research, computers in K-12 education, data literacy, data science education