Direct Marketing Tools

Bookmark this resource for your brand.

Statistical confidence is one of the most important aspects of a direct marketing testing strategy. These direct marketing calculators can help you answer some of the most frequently asked questions regarding sample size, response rates and statistical significance. Bookmarking this page means you can always have this valuable resource close at hand.

New campaign breakeven response rate

Determine response rates needed to achieve equal or surpass current control results.

Breakeven Response Rates

Cost of Current Control Package, each

$

Percent Response of Control

%

Profit, or Net Contribution of Each Response

$

Roll-out Cost of Test Package, each

$

Calculate Results

Response Must be Greater Than or Equal to

%

Improvement in Response

%

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Statistical significance

A calculator if response rates from new test packages have just beaten the control package.

Statistically Significant Results

Response Rate of Control package

%

Quantity of Control package Mailed

Response Rate of Test package

%

Quantity of Test package Mailed

Level of Confidence

Calculate Results

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Calculate

Minimum sample size

Determine how many pieces to mail in a retest or rollout to deliver the same response rate as a current package.

Minimum Sample Size

Response Rate of Current Control

%

Level of Confidence Required in Prediction

Improvement Required in Test Response Rate

%

Calculate Results

Test Response Rate Must be at Least

%

The Minimum Sample Size to mail Must be

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Calculate

Mail Size

Combining test results with your acceptable range of roll-out response rates, and according to a 90% or 95% level of confidence, the calculation below dictates the minimum quantity you should mail.

Mail Size

Projected Response Rate, based on Recent Testing

%

Allowable Difference in Response Rate, plus or minus (+/-)

%

Level of Confidence in Quantity Prediction is

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Minimum/Maximum Response

Quantity Mailed Must Be At Least

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Response variance

Your test results indicate a winning response rate. Within a roll-out of the same test package, you wish to determine what the variance in response will be based upon the quantity you originally tested.

This calculation considers your test results, the level of confidence you require, and the mail quantity tested. The result is a likely range of responses, detailed below, according to the figures you have provided.

Response Variance

Response Rate of the Test Mailing Was

%

Mail Quantity of Original Test Sample

%

Level of Confidence Required in Prediction

Calculate Results

The Response Rate Will Be Between

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Total cost of ownership (TCO)

Often focus is put on decreasing the total print and production costs or the cost per thousand price on a document. However, to maximize cost-effectiveness of any print program you need to look at all contributing aspects of your document/program - Total Cost of Ownership (TCO) so that you can make better decisions, reduce total costs, and improve efficiency and quality.

The following information details the preparation, production and logistics costs associated with your document/program.

Total Cost of Document Ownership

Preparation Costs

Concept

$

Format Design

$

Layout & Art

$

Production Costs

Paper & Print

$

Binding & Finishing

$

Logistics Cost

Shipping & Handling

$

Storage & Distribution

$

Total Quantity Used, Yearly

Calculate Results

TCO = Total Cost of Ownership

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