Final answer:
A. Response to Intervention (RTI) has been used as an alternative to traditional aptitude-achievement discrepancy approaches to identifying students with LD.
Step-by-step explanation:
Since the reauthorization of IDEA 2004, a. Response to Intervention (RTI) has been used as an alternative to traditional aptitude-achievement discrepancy approaches to identifying students with LD.
RTI is a multi-tiered system of supports that involves early intervention and progress monitoring.
Instead of relying solely on IQ tests or achievement tests, RTI looks at how students respond to targeted interventions in order to determine if they have a learning disability.