... pre-test) to students (in post-test) +Bad: decreasing from 34 students (in pre-test) to 25 students (in post-test) +Average: increasing from 28 students (in pre-test) to 36 students (in post-test) ... examined the role of morphological awareness in L2 vocabulary 17 development, the findings suggest that different aspects of morphological awareness may be useful for vocabulary building Prince ... morphological awareness and vocabulary size *In the next chapter, a methodology for investigating the relationship between vocabulary size and morphological awareness will be presented with detailed information...