EN FR Authors Hencke, JulianeEck, MatthiasSass, JustineHastedt, DirkMeinck, SabineKennedy, AlecLiu, Tianyi Corporate authors International Association for the Evaluation of Educational Achievement, IEA Language EnglishFrench Topic Cross national assessmentGender and education Level of education Early childhood educationPrimary education Resource type Case studies and research papers Project Trends in International Mathematics and Science Study, TIMSS Keywords mathematics educationscience educationgirls educationboys