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The Forgetting Curve, shown in Figure 3-3, describes the rate at which individuals forget information when it isn’t reinforced in memory. Suppose that I introduce you to someone, for example — the longer you go without being reminded of the person’s name, the less likely you are to remember it.

FIGURE 3-3: The Forgetting Curve.

Security awareness programs naturally rely on users’ retaining information, much of which may be new to them. Suppose that you show people a three-minute video and then administer a three-question quiz on the content of your program. If users have no reason to recall that content beyond the training session, their ability to recall the information declines quickly, until eventually they forget the information altogether. Fortunately, you can offset users’ memory decline by building a reinforcement strategy into your program.

This list describes some ways you can try to “interrupt” the Forgetting Curve and slow the rate of forgetting among users:

 Reminders: Provide periodic reminders to refresh and enhance users’ knowledge. These can be posters, mouse pads, or any other “nudge” item that provides a frequent trigger for the information.

 Significance of information: Convey the significance of the information you share in your communications. If users assign significance to what you’re saying, they may automatically (like magic!) embed the information into long-term memory. This can include describing significant harm experienced, or, potentially, penalties for violating the procedures described.

 Memorable presentations: Present information in memorable ways, such as by using humor, outside speakers, or unique formats.

 Show connections: Tie the information to other memorable lessons, such as relating a past incident to how the application of your information could have prevented it.

Reminders interrupt the Forgetting Curve and are more likely to result in long-term retention of the information.