Final answer:
The incorrect term in the question is 'Improving,' which should be 'improvising,' a genuine technique in music therapy along with imitation, expectation, and pausing.
Step-by-step explanation:
The response-evoking technique mentioned which is NOT used in music therapy is b) Improving. The correct term is 'improvising,' which is indeed a legitimate method in music therapy. The other techniques listed, such as imitation, expectation, and pausing, are all used to elicit responses from clients in music therapy. Imitation involves copying a client's musical phrase or gesture to support interaction. Expectation is when a therapist creates musical tensions that clients feel compelled to resolve, hence participating in the activity. Pausing is used strategically to encourage clients to fill in the silence, thus fostering engagement and response.