Spaced 🚀Repetition 🔁 & 2-3-5-7 🫡

If you have multiple exams coming up and you are thinking” How am I going to remember all this information?”, use the power of spaced repetition to store the revision into long-term memory and improve recall. Now let’s dive deeper into the context of spaced repetition and a specific application of spaced repetition, known as the 2-3-5-7 method. 


Spaced Repetition 


Spaced repetition is a scientifically proven method that revolves around revising information at increasing intervals of time, reviewing and boosting your memory just as you are about to forget it so you do not forget it easily. By studying a topic at strategic intervals you will end up remembering more. This method has been proven to be more effective than doing one big session and trying to cram everything in. This method strengthens memory retention over time. 


How Do We Forget?


Imagine your brain is a library. It beholds the information that is grasped from the pages of the books that we have read, and from the books that we are reading at the moment. But the issue is that, if you don’t have a good catalogue or filling system it will be pretty hard to find it again. Spaced repetition acts like a catalog, training your brain to find the information when you need it. 


Think of your brain as a muscle, making it work to find the information is training that muscle to get stronger and it helps in finding the information more easily in the future. This is known as active recall. 



What is the 2-3-5-7 method? 


It is a clear schedule for spaced repetition ahead of exams:

  1. Start from the date of your exam and plan a revision session the day before 

  2. Two days before your last session plan another one 

  3. Then count three days from that and plan another session 

  4. Count five days back and plan a session there 

  5. Then count seven days back and plan your first study session 


A little too wordy and confusing right?


Here is a little example

So our focus is let’s say Biology exam, which is on the 28th

According to the 2-3-5-7 method,

  1.  Plan for a last revision session on the day before the exam (27th)

  2. Two days before the last revision session (25th)

  3. Counting three days back (22nd) 

  4. Counting 5 days back (17th)

  5. Finally counting 7 days back (10th)


This shows how this method can help you prepare for the exams as little as 18 days before. 


These methods are effective tools for improving learning efficiency and retention of information, overcoming the forgetting curve 


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