This paper gives an example of how to address the challenge of designing a learning progression that describes student thinking, with the necessary specificity to align instructional opportunities and assessment tools. We describe the Conceptual Underpinnings of Evolution project and the iterative process of developing a novel learning progression…

Teaching and learning of invertebrate systematic require effective pedagogical language strategies since the terms used are most in English and Latin. The Tanzania education policy specifies that the medium language of instruction in primary must be Kiswahili, while English has to be used in post-primary education. Consequently, secondary school…