Figure 4. Heatmap/Frequency analysis of specific SDG subcategories in Teacher Training

A detailed view of specific themes (e.g., Gender Equality, Cultural Diversity, Human Rights) across different universities, identifying the most and least addressed subcategories in the syllabi.Key features:Data derived from the analysis of official teaching guides.Visual representation optimised with a colour-blind friendly palette (daltonics-accessible).This figure is part of the study "Integrating the SDG into Early Childhood Teacher Education".