LETRS Unit 1 Assessment Test Answered- 2022. - What is one important distinction between the Four-Part Processing Model for Word Recognition and the Three Cueing Systems model? a. The Four-Part Processing Model emphasizes visual processes. b. The Three Cueing Systems model omits or obscures the role of phonology. c. The Three Cueing Systems model emphasizes the role of phonology. d. The Three Cueing Systems model omits semantic processing. Many students at risk for reading problems enter school ...