In fact, there is evidence that student writing achievement has been stagnant for years. The accumulation of a large and usable discipline-specific vocabulary depends on graduated reading in a coherent sequence of courses known as a curriculum in that discipline. Figure 3.
Did they have any prior knowledge? Teachers using Language Experience Approach Ashton-Warner, transcribe natural student language into the printed word so that students can begin to learn that print carries a message. Students learn best by writing. The CCR anchor standards themselves provide another source of focus and coherence.
And this is despite not because of the steady decline in vocabulary difficulty in secondary school textbooks over the past half century.