Fred is working with Ricky to decrease his ranting behavior by having him insert a pause before responding to stimuli that typically precede a rant. Inserting a pause is the replacement behavior. Which of the following methods could you use to measure Ricky's progress with using the replacement behavior?

Fred is working with Ricky to decrease his ranting behavior by having him insert a pause before responding to stimuli that typically precede a rant. Inserting a pause is the replacement behavior. Which of the following methods could you use to measure Ricky’s progress with using the replacement behavior?
A. Duration of rant
B. Frequency of rants
C. Latency between stimulus and rant