What is a possible reason why a learner might not show progress when using ABI?

A possible reason why a learner might not show progress when using ABI is: Lack Of Motivation

Explanation:

When the learner lacks motivation, it can lead to interfering behaviors and slow progress. It's very important to understand how to use what motivates a learner.

Antecedent-Based Interventions is known as evidence-based practice. It is used to address interfering behavior.

Some of the ABI procedures are: the change of routine, the use of highly preferred activities, offering choices, alteration of manner in which instruction is provided, etc.