The Forgetting Curve

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What is the Forgetting Curve?


What is the Ebbinghaus forgetting curve?

You’re probably more familiar with the forgetting curve than you think, with the effects being felt in everyday life, not just in eLearning. 

Let’s look at an example; you’re at a networking event and a potential customer gives you their contact number which you write down on a piece of paper. If you lost that piece of paper, would you remember the phone number an hour later? Probably not.

Before we try to combat the forgetting curve in eLearning, let’s explain exactly what it is. 

The forgetting curve is a mathematical formula by Hermann Ebbinghaus that originated in 1885. The curve demonstrated the rate at which information is forgotten over time if we don’t attempt to retain it. 

Learners will rapidly lose their memory of learned knowledge in a matter of days or weeks unless the information is consciously reviewed. Some humans forget approximately 50% of new information within an hour of learning it. That goes up to an average of 70% within 24 hours.


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