The rule of seven simply says that the prospective buyer should hear or see the marketing message at least seven times before they buy it from you.
There may be many reasons why number seven is used.
Why not rule of six or rule of eight?
What is rule of seven in project management?
The Rule of Seven as applied in Quality Management says that “A run of seven or more consecutive points in a control chart, either above the mean, or below the mean, or continuously increasing or decreasing, may indicate the process may be out-of-control”.
What is the rule of 42?
In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an investment’s doubling time. The rule number (e.g., 72) is divided by the interest percentage per period (usually years) to obtain the approximate number of periods required for doubling.
How many times does someone need to see something before they buy?
Actually, research has shown that the number ranges from five to twelve, but seven is a good rule of thumb. The Rule of Seven is an old marketing adage. It says that a prospect needs to see or hear your marketing message at least seven times before they take action and buy from you.
How does the Rule of 72 work?
The Rule of 72 is a simple way to determine how long an investment will take to double given a fixed annual rate of interest. By dividing 72 by the annual rate of return, investors obtain a rough estimate of how many years it will take for the initial investment to duplicate itself.