Collecting ongoing data about vocabulary instruction benefits literacy instruction primarily by allowing the teacher to:

The selection of the first option highlights the comprehensive understanding of students' vocabulary development that ongoing data collection facilitates. By monitoring various dimensions of vocabulary development across multiple language modes—such as listening, speaking, reading, and writing—teachers can gain a holistic view of how students are acquiring and using vocabulary in different contexts.

This type of assessment allows educators to identify specific areas where a student may be excelling or struggling, enabling targeted instruction that addresses individual needs. Moreover, it supports differentiated instruction, where teachers can adapt their strategies to better serve the diverse learning styles and abilities of their students.

Additionally, this continuous data collection informs instructional planning, allowing teachers to make informed decisions about how to enhance vocabulary instruction based on current performance trends. This creates a more focused approach to literacy instruction that is responsive to the evolving needs of students, ultimately leading to more effective literacy outcomes.