What is the definition of data driven instruction?

Data Driven Instruction, as it pertains to the field of Education, It is the use of quantifiable data obtained from Observable and measurable goals set by an educator in order to determine if the student is either improving his academic skills remaining the same or regressing in academics. The use of data driven instruction serves to guide the instructor in determining the students next step after mastering a concept or guide the instructor in determining if he/she needs to modify his /her instructional methods to provide the student with a better understanding of academic concepts.