Juwan works as a telephone solicitor for a fund-raising drive at his university. If he is paid on a fixed-ratio basis, Juwan will:.

get paid after a fixed number of funds being raised by him.

Explanation:

Fixed-ratio schedule: In psychology, the term "fixed-ratio schedule" is a reinforcement schedule and is a part of the operant conditioning which was given by B. F. Skinner.

In a fixed-ratio schedule, a specific behavior is being reinforced after a particular number of true or correct responses. Fixed-ratio schedule provides steady and high rates of responding.

In the question above, Juwan will be paid after a fixed number of funds being raised by him.