Yes. Our members see rapid gains in retention of medical facts after 7-10 days. In support, a recent Harvard Medical School study actually asked this exact question and found that spaced learning is just as good for short periods when compared with conventional study methods. If you're already in crunch time with only a month or two left before your board exam date, then here is a guide on how to make the most of Firecracker in a condensed timeframe: http://blog.firecracker.me/students/how-this-crunch-time-firecracker-scored-a-274-on-usmle-step-1

We would also recommend activating Dedicated Test Prep Mode in Firecracker (it's a free upgrade on both web and mobile!): https://www.youtube.com/watch?v=ko3hdQkPoFA

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