FR20? VI5? Reinforcement schedules can be an alphabet soup and tricky to grasp, but once you know it, you’ll be able to answer any question by applying your base knowledge. Check out the memory aid in this post to help sort through rates of acquisition.
BONUS: Resistance to extinction works the same way and follows the same pattern as rates of acquisition. VR is most resistant to extinction (remember gambling!) with FI extinguishing the quickest and easiest. It makes logical sense; if you know exactly when something is coming and then it no longer happens, you aren’t going to put in the effort anymore since you’re not going to get the reinforcement.
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