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● Within 24 hours, retention drops to about 30%.
● Within a week, most people remember only 10% of what they initially learned.
This sharp decline occurs because the brain filters out information it deems unnecessary. However,
by reinforcing learning through specific strategies, trainers can slow down this process and help
learners retain information for a longer period.
Why the Forgetting Curve Matters for Trainers
For corporate trainers, educators, and instructional designers, the Forgetting Curve presents a
major obstacle. If learners forget most of what they are taught, the effectiveness of training programs
diminishes significantly. Here are some reasons why trainers should be concerned about this
phenomenon:
● Reduced Training ROI: If knowledge is quickly lost, organizations must spend more time
and resources on retraining employees.
● Lower Productivity: Employees who forget key training concepts may struggle to perform
tasks efficiently, leading to reduced productivity and errors.
● Compliance and Safety Risks: In industries where compliance and safety training are
crucial, forgotten information can lead to serious consequences, including legal liabilities.
● Lack of Skill Application: If employees do not retain what they learn, they will not be able to
apply new skills effectively in their roles.
Strategies to Overcome the Forgetting Curve
1. Spaced Repetition
One of the most effective ways to combat the Forgetting Curve is through spaced repetition. This
technique involves reviewing learned material at increasing intervals over time. Research shows that
revisiting information periodically strengthens memory and improves long-term retention.
How Trainers Can Apply It:
● Design training programs that incorporate multiple review sessions rather than one-time
learning events.
● Use AI-powered learning platforms that schedule content reviews based on each learner’s
retention levels.
● Encourage employees to revisit key concepts through quizzes and interactive exercises.