What is a defining characteristic of echoic training in ABA-VB therapy?

Echoic training is a fundamental aspect of Applied Behavior Analysis (ABA) within the Verbal Behavior (VB) framework, designed to enhance a person's ability to vocal mimicry. A defining characteristic of echoic training is its incorporation of shaping and approximations. This means the process builds up the individual's vocal skills progressively, encouraging them to imitate sounds and words accurately through a series of guided steps.

In echoic training, the therapist provides a model for the learner to imitate, and through reinforcement, the therapist increases the likelihood that the learner will produce the desired sounds. By using shaping, therapists can reinforce closer approximations to the target sound or word, thereby gradually helping the individual to reach the correct form of vocalization.

This method emphasizes the significance of reinforcing small, incremental steps rather than expecting immediate perfection, which is a vital part of not only echoic training but broader teaching methods in ABA-VB therapy. Thus, this characteristic of echoic training allows for a supportive learning environment where successful communication is fostered over time.