Which of the Following Is True of a Variable-Ratio Schedule

Multiple Choice

Which of the following is true of a variable-ratio schedule in operant conditioning?

A) It produces high, steady rates of behavior that are more resistant to extinction than other schedules.
B) It is a timetable in which a behavior is reinforced after a variable amount of time has elapsed.
C) It rewards behavior each time it occurs.
D) It is determined by the time elapsed since the last behavior was rewarded.