A good example of a variable-ratio schedule of reinforcement is

A) weekly pay.
B) piece-rate pay.
C) fishing.
D) casino gambling.

Variable-Ratio Schedule

In operant conditioning, a reinforcement schedule where responses are rewarded after an unpredictable number of responses, leading to high and steady response rates.

Piece-Rate Pay

A compensation system where workers are paid a fixed rate for each unit of production completed, motivating higher productivity.

Weekly Pay

Compensation or salary distributed on a weekly basis to employees or workers.